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NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_4279 | image | textbook_images/convection_22749.png | FIGURE 1.1 | 0.28148 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_010899 | image | abc_question_images/simple_machines_18197.png | simple_machines_18197.png | 0.278804 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_010657 | image | abc_question_images/nuclear_energy_17094.png | nuclear_energy_17094.png | 0.27724 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_008271 | image | question_images/food_chains_webs_294.png | food_chains_webs_294.png | 0.272343 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_008323 | image | question_images/food_chains_webs_389.png | food_chains_webs_389.png | 0.270554 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_010714 | image | question_images/nuclear_energy_7094.png | nuclear_energy_7094.png | 0.267166 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_010735 | image | question_images/nuclear_energy_7099.png | nuclear_energy_7099.png | 0.266134 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DQ_010666 | image | abc_question_images/nuclear_energy_17099.png | nuclear_energy_17099.png | 0.266122 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | DD_0204 | image | teaching_images/nuclear_energy_7093.png | This Diagram shows how a Nuclear plant Work. heat is used to boil water into steam and drive a turbine which turns a generator, making electricity. There are two separate water systems involved. One pumps fluid around the core of the reactor, absorbing the heat and keeping the pile from going into a meltdown. This liquid is kept separate because it's highly radioactive. It's pumped through carefully sealed pipes that go through a second water tank. The heat from the irradiated water heats these pipes, and then the pipes heat the the second water tank, turning that water into steam. The steam is used to spin turbines, which are kind of like an RC car's motor except kind of opposite like, this generate electricity. The turbine water is clean and relatively safe, because it's not in direct contact with the irradiated systems. | 0.265563 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_3767 | image | textbook_images/technology_22405.png | FIGURE 2.14 Each of the technologies pictured here is based on scientific knowledge. Each also led to important scientific advances. | 0.262155 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_4854 | text | null | Examples of machines that increase the distance over which force is applied are leaf rakes and hammers (see Figure which the force is applied, but it reduces the strength of the force. | 0.508447 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_1800 | text | null | Most fossils are preserved by one of five processes outlined below (Figure 1.1): | 0.505812 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_4438 | text | null | A combustion engine is a complex machine that burns fuel to produce thermal energy and then uses the thermal energy to do work. There are two types of combustion engines: external and internal. A steam engine is an external combustion engine. | 0.50013 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_3762 | text | null | The development of new technology is called technological design. It is similar to scientific investigation. Both processes use evidence and logic to solve problems. | 0.493897 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_3907 | text | null | Two important devices depend on electromagnetic induction: electric generators and electric transformers. Both devices play critical roles in producing and regulating the electric current we depend on in our daily lives. | 0.479582 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_0315 | text | null | Natural processes caused earlier climate changes. Human beings are the main cause of recent global warming. | 0.478904 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_0423 | text | null | Almost a quarter of the water used worldwide is used in industry. Industries use water for many purposes. Chemical processes need a lot of water. Water is used to generate electricity. An important way that industries use water is to cool machines and power plants. | 0.478022 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_1797 | text | null | The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction. | 0.4772 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_1627 | text | null | Several processes can turn one type of rock into another type of rock. The key processes of the rock cycle are crystallization, erosion and sedimentation, and metamorphism. | 0.475697 |
NDQ_014188 | The Bessemer process is an example of technology. The Bessemer process | null | a. was invented in the 1950s., b. is a cheap way to make steel., c. was a major advance in medicine., d. is used to make computers. | b | T_1839 | text | null | Industrial water use accounts for an estimated 15% of worldwide water use, with a much greater percentage in developed nations. Industrial uses of water include power plants that use water to cool their equipment and oil refineries that use water for chemical processes. Manufacturing is also water intensive. | 0.475075 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_3841 | image | textbook_images/optics_22453.png | FIGURE 22.18 A compound microscope uses convex lenses to make enlarged images of tiny objects. | 0.327233 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_4692 | image | textbook_images/optical_instruments_22996.png | FIGURE 1.1 | 0.321133 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DQ_003278 | image | question_images/parts_microscope_7194.png | parts_microscope_7194.png | 0.31654 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DQ_003256 | image | question_images/parts_microscope_7184.png | parts_microscope_7184.png | 0.310293 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DD_0098 | image | teaching_images/parts_microscope_7193.png | This diagram shows the parts of a compound light microscope. The eyepiece is used to view a microscopic item placed on the stage. It can be used to view cells, bacteria, and small objects like insect wings. When holding a microscope, always use the arm and the base. Handle it carefully, as these are expensive and fragile objects. Use the condenser focus and objective lenses to make the object being viewed clearer. The course focus and fine focus can be used to adjust how close the lenses are to the stage. These focus pieces also make the image clearer. | 0.308239 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DQ_003288 | image | question_images/parts_microscope_7198.png | parts_microscope_7198.png | 0.308192 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DD_0097 | image | teaching_images/parts_microscope_7187.png | The image below shows the different parts of an Optical microscope. The Optical microscope is a type of microscope which uses visible light and a system of lenses to magnify images of small samples. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century. Basic optical microscopes can be very simple, although there are many complex designs which aim to improve resolution and sample contrast. All modern optical microscopes designed for viewing samples by transmitted light share the same basic components of the light path. In addition, the vast majority of microscopes have the same 'structural' components. The eyepiece, or ocular lens, is a cylinder containing two or more lenses; its function is to bring the image into focus for the eye. The eyepiece is inserted into the top end of the body tube. Eyepieces are interchangeable and many different eyepieces can be inserted with different degrees of magnification. | 0.307966 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DQ_003303 | image | question_images/parts_microscope_7202.png | parts_microscope_7202.png | 0.307692 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DQ_003273 | image | question_images/parts_microscope_7191.png | parts_microscope_7191.png | 0.307353 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | DD_0099 | image | teaching_images/parts_microscope_7174.png | The diagram shows the anatomy of a microscope. There are two optical systems in a compound microscope: The Ocular Lens and the Objective Lens. Eyepiece or Ocular is what you look through at the top of the microscope. Eyepiece Tube holds the eyepieces in place above the objective lens. Objective Lenses are the primary optical lenses on a microscope. They range from 4x-100x and typically, include, three, four or five on lens on most microscopes. Objectives can be forward or rear-facing. Nosepiece houses the objectives. The objectives are exposed and are mounted on a rotating turret so that different objectives can be conveniently selected. Coarse and Fine Focus knobs are used to focus the microscope. Stage is where the specimen to be viewed is placed. Stage Clips are used when there is no mechanical stage. Aperture is the hole in the stage through which the base (transmitted) light reaches the stage. Illuminator is the light source for a microscope, typically located in the base of the microscope. Condenser is used to collect and focus the light from the illuminator on to the specimen. Iris Diaphragm controls the amount of light reaching the specimen. It is located above the condenser and below the stage. Condenser Focus Knob moves the condenser up or down to control the lighting focus on the specimen. | 0.307346 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_4644 | text | null | Science is more about gaining knowledge than it is about simply having knowledge. Science is a way of learning about the natural world that is based on evidence and logic. In other words, science is a process, not just a body of facts. Through the process of science, our knowledge of the world advances. | 0.651105 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_4830 | text | null | Investigations are at the heart of science. They are how scientists add to scientific knowledge and gain a better understanding of the world. Scientific investigations produce evidence that helps answer questions. Even if the evidence cannot provide answers, it may still be useful. It may lead to new questions for investigation. As more knowledge is discovered, science advances. | 0.634344 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.628354 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_1106 | text | null | Despite these problems, there is a rich fossil record. How does an organism become fossilized? | 0.621656 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_1825 | text | null | The study of the universe is called cosmology. Cosmologists study the structure and changes in the present universe. The universe contains all of the star systems, galaxies, gas, and dust, plus all the matter and energy that exists now, that existed in the past, and that will exist in the future. The universe includes all of space and time. | 0.610609 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_2579 | text | null | Treating genetic disorders is one use of biotechnology. Biotechnology is the use of technology to change the genetic makeup of living things for human purposes. Its also called genetic engineering. Besides treating genetic disorders, biotechnology is used to change organisms so they are more useful to people. | 0.609195 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_1468 | text | null | Minerals are made by natural processes, those that occur in or on Earth. A diamond created deep in Earths crust is a mineral, but a diamond made in a laboratory by humans is not. Be careful about buying a laboratory-made diamond for jewelry. It may look pretty, but its not a diamond and is not technically a mineral. | 0.606732 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_2590 | text | null | Darwin spent many years thinking about his own observations and the writings of Lamarck, Lyell, and Malthus. What did it all mean? How did it all fit together? The answer, of course, is the theory of evolution by natural selection. | 0.601932 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_3840 | text | null | Mirrors and lenses are used in optical instruments to reflect and refract light. Optical instruments include micro- scopes, telescopes, cameras, and lasers. | 0.599156 |
NDQ_014189 | The invention of the microscope | null | a. let scientists see very distant objects., b. occurred in the 1800s., c. extended human vision., d. two of the above. | c | T_2604 | text | null | Individuals dont evolve. Their alleles dont change over time. The unit of microevolution is the population. | 0.598014 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_3945 | image | textbook_images/behavior_of_gases_22544.png | FIGURE 4.11 Earths atmosphere exerts pressure. This pressure is greatest at sea level. Can you explain why? | 0.349358 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_000466 | image | question_images/layers_of_atmosphere_7070.png | layers_of_atmosphere_7070.png | 0.349313 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_000471 | image | question_images/layers_of_atmosphere_7073.png | layers_of_atmosphere_7073.png | 0.348304 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_000460 | image | question_images/layers_of_atmosphere_7069.png | layers_of_atmosphere_7069.png | 0.341899 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DD_0022 | image | teaching_images/layers_of_atmosphere_8102.png | The diagram shows the 5 layers of Earth's atmosphere and their relative distance from the Earth's surface. Troposphere is the shortest layer closest to Earth's surface at about 15km away from the surface. The stratosphere is the layer above the troposphere and rises to about 50 kilometers above the surface. The mesosphere is the layer above the stratosphere and rises to about 80 kilometers above the surface. Temperature decreases with altitude in this layer. The thermosphere is the layer above the mesosphere and rises to 500 kilometers above the surface. The International Space Station orbits Earth in this layer. The exosphere is the layer above the thermosphere. This is the top of the atmosphere. | 0.339232 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_000483 | image | question_images/layers_of_atmosphere_8101.png | layers_of_atmosphere_8101.png | 0.33896 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_1031 | image | textbook_images/composition_of_the_atmosphere_20678.png | FIGURE 1.2 Mean winter atmospheric water vapor in the Northern Hemisphere when temperature and humidity are lower than they would be in summer. | 0.338205 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_002666 | image | question_images/greenhouse_effect_8086.png | greenhouse_effect_8086.png | 0.336834 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DQ_000477 | image | question_images/layers_of_atmosphere_8100.png | layers_of_atmosphere_8100.png | 0.333739 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | DD_0021 | image | teaching_images/layers_of_atmosphere_7066.png | The Earth has five different layers in its atmosphere. The atmosphere layers vary by temperature. As the altitude in the atmosphere increases, the air temperature changes. The lowest layer is the troposphere, it gets some of its heat from the sun. However, it gets most of its heat from the Earth's surface. The troposphere is also the shortest layer of the atmosphere. It holds 75 percent of all the gas molecules in the atmosphere. The air is densest in this layer. | 0.328753 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0100 | text | null | An atmosphere is the gases that surround a planet. The early Earth had no atmosphere. Conditions were so hot that gases were not stable. | 0.75847 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_1311 | text | null | Without the atmosphere, Earth would look a lot more like the Moon. Atmospheric gases, especially carbon dioxide (CO2 ) and oxygen (O2 ), are extremely important for living organisms. How does the atmosphere make life possible? How does life alter the atmosphere? The composition of Earths atmosphere. | 0.741906 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0194 | text | null | We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. | 0.734162 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0311 | text | null | Earths climate has changed many times through Earths history. Its been both hotter and colder than it is today. | 0.726085 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0102 | text | null | Earths atmosphere slowly cooled. Once it was cooler, water vapor could condense. It changed back to its liquid form. Liquid water could fall to Earths surface as rain. Over millions of years water collected to form the oceans. Water began to cycle on Earth as water evaporated from the oceans and returned again as rainfall. | 0.725939 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_1753 | text | null | The atmosphere is layered, corresponding with how the atmospheres temperature changes with altitude. By under- standing the way temperature changes with altitude, we can learn a lot about how the atmosphere works. | 0.725676 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0229 | text | null | Air temperature in the stratosphere layer increases with altitude. Why? The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun. The air at the bottom of the stratosphere is cold. The cold air is dense, so it doesnt rise. As a result, there is little mixing of air in this layer. | 0.716987 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_1578 | text | null | The atmosphere has different properties at different elevations above sea level, or altitudes. | 0.712088 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_0199 | text | null | Without the atmosphere, there would be no clouds or rain. In fact, there would be no weather at all. Most weather occurs because the atmosphere heats up more in some places than others. | 0.706627 |
NDQ_015168 | The pressure of Earths atmosphere is | null | a. the same everywhere on Earths surface., b. greater at higher altitudes., c. 14.7 lb/in2 at sea level., d. none of the above | c | T_1797 | text | null | The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction. | 0.703107 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.294141 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_4470 | image | textbook_images/gases_22861.png | FIGURE 1.2 | 0.281625 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3949 | image | textbook_images/behavior_of_gases_22548.png | FIGURE 4.15 As the temperature of a gas increases, its pressure increases as well. | 0.279321 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3945 | image | textbook_images/behavior_of_gases_22544.png | FIGURE 4.11 Earths atmosphere exerts pressure. This pressure is greatest at sea level. Can you explain why? | 0.27295 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | DQ_011479 | image | abc_question_images/states_of_matter_17613.png | states_of_matter_17613.png | 0.272017 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | DD_0238 | image | teaching_images/evaporation_and_sublimation_8074.png | The image below shows the different changes in states of matter. A material will change from one state or phase to another at specific combinations of temperature and surrounding pressure. Typically, the pressure is atmospheric pressure, so temperature is the determining factor to the change in state in those cases. The names of the changes in state are melting, freezing, boiling, condensation, sublimation and deposition. The temperature of a material will increase until it reaches the point where the change takes place. It will stay at that temperature until that change is completed. Solids are one of the three phase changes. Their structure and their resistance to change their shape or volume characterize solids. In a solid, the molecules are closely packed together. Liquids are the next of the three phase changes. Liquids are very different from solids, their structure is a bit freer, but not as free as gas. In a liquid phase, the molecules will take the shape of its container or the object that it is in. Gases are the last of the three phase changes. A gas phase is one of the simpler phases, because the gas molecules are the freest. This is because theoretically the molecules behave completely chaotically and they roam anywhere and fill every space of an object or container. | 0.269232 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3948 | image | textbook_images/behavior_of_gases_22547.png | FIGURE 4.14 As the temperature of a gas increases, its volume also increases. | 0.267922 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.26423 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_4863 | image | textbook_images/solubility_23085.png | FIGURE 1.1 | 0.264053 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | DQ_010692 | image | abc_question_images/nuclear_energy_18112.png | nuclear_energy_18112.png | 0.26333 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3946 | text | null | For a given amount of gas, scientists have discovered that the pressure, volume, and temperature of a gas are related in certain ways. Because these relationships always hold in nature, they are called laws. The laws are named for the scientists that discovered them. | 0.791102 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_4715 | text | null | Compare and contrast the basic properties of matter, such as mass and volume. | 0.724453 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3941 | text | null | Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter. | 0.707493 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_3918 | text | null | Some properties of matter can be measured or observed only when matter undergoes a change to become an entirely different substance. These properties are called chemical properties. They include flammability and reactivity. | 0.703177 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_4239 | text | null | How fast a chemical reaction occurs is called the reaction rate. Several factors affect the rate of a given chemical reaction. They include the: temperature of reactants. concentration of reactants. surface area of reactants. presence of a catalyst. | 0.700639 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_0216 | text | null | Energy travels through space or material. Heat energy is transferred in three ways: radiation, conduction, and convection. | 0.696303 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_0726 | text | null | Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy. | 0.694621 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_0966 | text | null | Why is such a small amount of carbon dioxide in the atmosphere even important? Carbon dioxide is a greenhouse gas. Greenhouse gases trap heat energy that would otherwise radiate out into space, which warms Earth. These gases were discussed in the chapter Atmospheric Processes. | 0.693718 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_2237 | text | null | All known matter can be divided into a little more than 100 different substances called elements. | 0.693464 |
NDQ_015170 | The gas laws describe relationships among the gas properties of pressure, temperature, and | null | a. mass., b. shape., c. energy., d. volume. | d | T_4276 | text | null | Why must chemical equations be balanced? Its the law! Matter cannot be created or destroyed in chemical reactions. This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions. | 0.692171 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_4470 | image | textbook_images/gases_22861.png | FIGURE 1.2 | 0.324731 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.323845 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_3945 | image | textbook_images/behavior_of_gases_22544.png | FIGURE 4.11 Earths atmosphere exerts pressure. This pressure is greatest at sea level. Can you explain why? | 0.321592 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_011492 | image | abc_question_images/states_of_matter_19256.png | states_of_matter_19256.png | 0.299728 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_011479 | image | abc_question_images/states_of_matter_17613.png | states_of_matter_17613.png | 0.297975 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_0207 | image | textbook_images/the_atmosphere_20136.png | FIGURE 15.4 This drawing represents a column of air. The column rises from sea level to the top of the atmosphere. Where does air have the greatest density? | 0.295647 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_011671 | image | question_images/state_change_7608.png | state_change_7608.png | 0.289262 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_011497 | image | question_images/states_of_matter_7613.png | states_of_matter_7613.png | 0.28792 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_4279 | image | textbook_images/convection_22749.png | FIGURE 1.1 | 0.285653 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | DQ_002744 | image | question_images/radioactive_decay_8182.png | radioactive_decay_8182.png | 0.284632 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_3939 | text | null | Water vapor is an example of a gas. A gas is matter that has neither a fixed volume nor a fixed shape. Instead, a gas takes both the volume and the shape of its container. It spreads out to take up all available space. You can see an example in Figure 4.6. | 0.653097 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_3691 | text | null | No doubt you already have a good idea of what temperature is. You might define it as how hot or cold something feels. In physics, temperature is defined as the average kinetic energy of the particles in an object. When particles move more quickly, temperature is higher and an object feels warmer. When particles move more slowly, temperature is lower and an object feels cooler. | 0.64363 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_4174 | text | null | Vaporization is easily confused with evaporation, but the two processes are not the same. Evaporation also changes a liquid to a gas, but it doesnt involve boiling. Instead, evaporation occurs when particles at the surface of a liquid gain enough energy to escape into the air. This happens without the liquid becoming hot enough to boil. | 0.637785 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_3960 | text | null | Solids that change to gases generally first pass through the liquid state. However, sometimes solids change directly to gases and skip the liquid state. The reverse can also occur. Sometimes gases change directly to solids. | 0.637112 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_0700 | text | null | Energy is the ability to do work. Fuel stores energy and can be released to do work. Heat is given off when fuel is burned. | 0.625804 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_4883 | text | null | Specific heat is a measure of how much energy it takes to raise the temperature of a substance. It is the amount of energy (in joules) needed to raise the temperature of 1 gram of the substance by 1 C. Specific heat is a property that is specific to a given type of matter. Thats why its called specific. | 0.623127 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_3946 | text | null | For a given amount of gas, scientists have discovered that the pressure, volume, and temperature of a gas are related in certain ways. Because these relationships always hold in nature, they are called laws. The laws are named for the scientists that discovered them. | 0.617409 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_0202 | text | null | Air is easy to forget about. We usually cant see it, taste it, or smell it. We can only feel it when it moves. But air is actually made of molecules of many different gases. It also contains tiny particles of solid matter. | 0.61 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_4239 | text | null | How fast a chemical reaction occurs is called the reaction rate. Several factors affect the rate of a given chemical reaction. They include the: temperature of reactants. concentration of reactants. surface area of reactants. presence of a catalyst. | 0.60971 |
NDQ_015172 | If you increase the temperature of a gas in a sealed container, particles of the gas will | null | a. have more energy, b. move more quickly., c. exert greater pressure., d. all of the above | d | T_0205 | text | null | We usually cant sense the air around us unless it is moving. But air has the same basic properties as other matter. For example, air has mass, volume and, of course, density. | 0.608688 |
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