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NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_4183 | image | textbook_images/buoyancy_22689.png | FIGURE 1.1 | 0.285223 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_3800 | image | textbook_images/properties_of_electromagnetic_waves_22425.png | FIGURE 21.4 Light slows down when it enters water from the air. This causes the wave to refract, or bend. | 0.28272 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_3624 | image | textbook_images/buoyancy_of_fluids_22302.png | FIGURE 15.12 Fluid pressure exerts force on all sides of this object, but the force is greater at the bottom of the object where the fluid is deeper. | 0.280096 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | DQ_010985 | image | question_images/convection_of_air_8047.png | convection_of_air_8047.png | 0.278226 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.277968 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | 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? | 0.273978 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | DQ_010969 | image | question_images/convection_of_air_6662.png | convection_of_air_6662.png | 0.272824 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_0287 | image | textbook_images/weather_forecasting_20178.png | FIGURE 16.23 The greater the air pressure outside the tube, the higher the mercury rises inside the tube. Mercury can rise in the tube because theres no air pressing down on it. | 0.271813 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | 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? | 0.27065 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_4451 | image | textbook_images/freezing_22849.png | FIGURE 1.1 | 0.258545 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | 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. | 0.761263 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_0251 | text | null | Humidity is the amount of water vapor in the air. High humidity increases the chances of clouds and precipitation. | 0.737843 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | 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. | 0.719617 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_3801 | text | null | Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency. | 0.714139 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_0262 | text | null | An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. | 0.710296 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_1578 | text | null | The atmosphere has different properties at different elevations above sea level, or altitudes. | 0.707143 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_0916 | text | null | Air masses are slowly pushed along by high-level winds. When an air mass moves over a new region, it shares its temperature and humidity with that region. So the temperature and humidity of a particular location depends partly on the characteristics of the air mass that sits over it. | 0.706963 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_4885 | text | null | How fast or slow something moves is its speed. Speed determines how far something travels in a given amount of time. The SI unit for speed is meters per second (m/s). Speed may be constant, but often it varies from moment to moment. | 0.702715 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | T_1755 | text | null | The property that changes most strikingly with altitude is air temperature. Unlike the change in pressure and density, which decrease with altitude, changes in air temperature are not regular. A change in temperature with distance is called a temperature gradient. | 0.701938 |
NDQ_016261 | when air is moving more quickly, its pressure is greater. | null | a. true, b. false | b | 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. | 0.69852 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3177 | image | textbook_images/microscopes_21987.png | FIGURE 1.2 | 0.315372 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | DQ_011940 | image | question_images/periodic_table_8159.png | periodic_table_8159.png | 0.247065 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3588 | image | textbook_images/gravity_22270.png | FIGURE 13.17 Sir Isaac Newton discovered that gravity is universal. | 0.244271 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3998 | image | textbook_images/how_elements_are_organized_22577.png | FIGURE 6.2 Mendeleevs table of the elements organizes the elements by atomic mass. The table has a repeating pattern. | 0.238761 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3992 | image | textbook_images/modern_atomic_theory_22571.png | FIGURE 5.14 In Bohrs atomic model, electrons orbit at fixed distances from the nucleus. These distances are called energy levels. | 0.237862 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_4607 | image | textbook_images/mendeleevs_periodic_table_22943.png | FIGURE 1.2 | 0.232532 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_0695 | image | textbook_images/metamorphic_rocks_20483.png | FIGURE 4.16 (A) Marble is a beautiful rock that is com- monly used for buildings. (B) Many of the great statues of the Renaissance were carved from marble. Michelangelo cre- ated this Moses between 1513 and 1515. | 0.22428 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_4392 | image | textbook_images/electron_cloud_atomic_model_22809.png | FIGURE 1.3 | 0.22405 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | DQ_011846 | image | question_images/isotopes_9125.png | isotopes_9125.png | 0.222687 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_4424 | image | textbook_images/energy_level_22827.png | FIGURE 1.2 | 0.222387 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_2252 | text | null | Carl Linnaeus (1707-1778) is called the father of taxonomy. You may already be familiar with the classification system Linnaeus introduced. | 0.516455 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3619 | text | null | Some of the earliest scientific research on fluids was conducted by a French mathematician and physicist named Blaise Pascal (16231662). Pascal was a brilliant thinker. While still a teen, he derived an important theorem in mathematics and also invented a mechanical calculator. One of Pascals contributions to our understanding of fluids is known as Pascals law. | 0.508205 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3984 | text | null | The next major advance in the history of the atom was the discovery of electrons. These were the first subatomic particles to be identified. They were discovered in 1897 by a British physicist named J. J. Thomson. You can learn more about Thomson and his discovery at this online exhibit: . | 0.492743 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_4983 | text | null | Although atoms are very tiny, they consist of even smaller particles. Atoms are made of protons, neutrons, and electrons: Protons have a positive charge. Electrons have a negative charge. Neutrons are neutral in charge. | 0.488401 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_3970 | text | null | The number of protons per atom is always the same for a given element. However, the number of neutrons may vary, and the number of electrons can change. | 0.483563 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_1447 | text | null | Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups. | 0.48277 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_2237 | text | null | All known matter can be divided into a little more than 100 different substances called elements. | 0.482298 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_4202 | text | null | Carbon is a very common ingredient of matter because it can combine with itself and with many other elements. It can form a great diversity of compounds, ranging in size from just a few atoms to thousands of atoms. There are millions of known carbon compounds, and carbon is the only element that can form so many different compounds. | 0.47815 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_2587 | text | null | Besides his observations on the Beagle, other influences helped Darwin develop his theory of evolution by natural selection. These included his knowledge of plant and animal breeding and the ideas of other scientists. | 0.473149 |
NDQ_016323 | robert boyle has been called the father of modern chemistry. | null | a. true, b. false | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.472336 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_4470 | image | textbook_images/gases_22861.png | FIGURE 1.2 | 0.310462 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.292216 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_011479 | image | abc_question_images/states_of_matter_17613.png | states_of_matter_17613.png | 0.280137 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_010978 | image | question_images/convection_of_air_8045.png | convection_of_air_8045.png | 0.277137 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_010885 | image | question_images/velocity_time_graphs_8222.png | velocity_time_graphs_8222.png | 0.276683 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_1444 | image | textbook_images/mineral_formation_20947.png | FIGURE 1.2 | 0.276541 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_0670 | image | textbook_images/formation_of_minerals_20459.png | FIGURE 3.18 When the water in glass A evaporates, the dissolved mineral particles are left behind. calcite tufa towers form. When the lake level drops, the tufa towers are revealed. | 0.276346 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_011608 | image | question_images/evaporation_and_sublimation_8078.png | evaporation_and_sublimation_8078.png | 0.274655 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_2245 | image | textbook_images/chemistry_of_living_things_21460.png | FIGURE 2.10 Saturated and unsaturated fatty acids In saturated fatty acids, carbon atoms are bonded to as many hydrogen atoms as possible. In other words, the carbon atoms are saturated with hydrogen. Saturated fatty acids are found in fats. In unsaturated fatty acids, some carbon atoms are not bonded to as many hydrogen atoms as possible. Instead, they share double bonds with other carbon atoms. Unsaturated fatty acids are found in oils. | 0.274419 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | DQ_002681 | image | question_images/radioactive_decay_7516.png | radioactive_decay_7516.png | 0.271529 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.695209 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.676605 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.672256 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.669866 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.669117 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.663902 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_4823 | text | null | Newtons third law of motion is just one of many scientific laws. A scientific law is a statement describing what always happens under certain conditions. Other examples of laws in physical science include: Newtons first law of motion Newtons second law of motion Newtons law of universal gravitation Law of conservation of mass Law of conservation of energy Law of conservation of momentum | 0.663267 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.660831 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | 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. | 0.655445 |
NDQ_016327 | for boyles law to apply to a gas, which variable must be held constant? | null | a. volume, b. pressure, c. temperature, d. none of the above | c | T_4715 | text | null | Compare and contrast the basic properties of matter, such as mass and volume. | 0.650158 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_3949 | image | textbook_images/behavior_of_gases_22549.png | FIGURE 4.16 A tire pressure gauge measures the pressure of the air inside a car tire. Why is the pressure likely to increase as the car is driven? | 0.300049 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_0287 | image | textbook_images/weather_forecasting_20178.png | FIGURE 16.23 The greater the air pressure outside the tube, the higher the mercury rises inside the tube. Mercury can rise in the tube because theres no air pressing down on it. | 0.260687 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | 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. | 0.251976 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_3905 | image | textbook_images/generating_and_using_electricity_22508.png | FIGURE 25.9 This simple setup shows how electromagnetic induction occurs. | 0.240154 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_0219 | image | textbook_images/energy_in_the_atmosphere_20141.png | FIGURE 15.9 Convection currents are the main way that heat moves through the atmosphere. Why does warm air rise? | 0.239895 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | DD_0212 | image | teaching_images/convection_of_air_8050.png | This diagram shows convection currents. Convection is the transfer of heat from one place to another by the movement of fluids. The heat source lies at the bottom of the diagram. The heat generated by this source causes the air next to it, to warm up. Warm air is lighter than cool air, and hence it rises up. As it rises up, it moves away from the heat source and cools down. As it cools down, it gets heavier and sinks towards the heat source. This cycle continues and causes a convection current. | 0.238707 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.238221 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_4377 | image | textbook_images/electromagnetic_induction_22800.png | FIGURE 1.1 | 0.237533 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | DQ_010972 | image | question_images/convection_of_air_6663.png | convection_of_air_6663.png | 0.234754 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_0754 | image | textbook_images/inside_earth_20498.png | FIGURE 6.4 How a convection cell is formed in the mantle. | 0.231543 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_1755 | text | null | The property that changes most strikingly with altitude is air temperature. Unlike the change in pressure and density, which decrease with altitude, changes in air temperature are not regular. A change in temperature with distance is called a temperature gradient. | 0.648854 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | 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. | 0.632883 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | 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. | 0.62621 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | 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. | 0.624615 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | 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. | 0.618259 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_4536 | text | null | Most cars have at least four cylinders connected to the crankshaft. Their pistons move up and down in sequence, one after the other. A powerful car may have eight pistons, and some race cars may have even more. The more cylinders a car engine has, the more powerful its engine can be. | 0.612197 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_0916 | text | null | Air masses are slowly pushed along by high-level winds. When an air mass moves over a new region, it shares its temperature and humidity with that region. So the temperature and humidity of a particular location depends partly on the characteristics of the air mass that sits over it. | 0.61041 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | 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. | 0.605956 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_4533 | text | null | A combustion engine is a complex machine that burns fuel to produce thermal energy and then uses the energy to do work. In a car, the engine does the work of providing kinetic energy that turns the wheels. The combustion engine in a car is a type of engine called an internal combustion engine. (Another type of combustion engine is an external combustion engine.) | 0.597975 |
NDQ_016330 | assume that you put the same amount of room-temperature air in two tires. if one tire is bigger than the other, how will air pressure in the two tires compare? | null | a. The bigger tire will have greater air pressure., b. The smaller tire will have greater air pressure., c. Both tires will have the same air pressure., d. Not enough information is provided to know the answer. | b | T_1702 | text | null | Soils thicken as the amount of time available for weathering increases. The longer the amount of time that soil remains in a particular area, the greater the degree of alteration. | 0.596597 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.335497 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011497 | image | question_images/states_of_matter_7613.png | states_of_matter_7613.png | 0.31537 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011650 | image | question_images/state_change_7602.png | state_change_7602.png | 0.312078 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_3944 | image | textbook_images/solids_liquids_gases_and_plasmas_22541.png | FIGURE 4.8 Kinetic energy is needed to overcome the force of attraction between particles of the same substance. | 0.309013 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011479 | image | abc_question_images/states_of_matter_17613.png | states_of_matter_17613.png | 0.305897 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011512 | image | question_images/states_of_matter_7618.png | states_of_matter_7618.png | 0.304951 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011523 | image | question_images/states_of_matter_9252.png | states_of_matter_9252.png | 0.303559 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DD_0237 | image | teaching_images/evaporation_and_sublimation_8079.png | The diagram shows the changes of state of matter. The state shifts based from the amount of energy added or removed by the matter. If energy is added to the matter, the particles will slowly disperse away from each other until they are separated from each other. Some examples of this change of state is melting (converting solid to liquid) and evaporation (converting liquid to gas). On the other hand, if the energy is removed, the particles will gather themselves together until they are close to each other. Condensation (converting gas to liquid) and freezing (converting liquid to solid) are some of the process involving this change. | 0.300138 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011540 | image | question_images/states_of_matter_9257.png | states_of_matter_9257.png | 0.297913 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | DQ_011671 | image | question_images/state_change_7608.png | state_change_7608.png | 0.295862 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | 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. | 0.767061 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.749472 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_4715 | text | null | Compare and contrast the basic properties of matter, such as mass and volume. | 0.748342 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | 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. | 0.737996 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_3801 | text | null | Although all electromagnetic waves travel at the same speed, they may differ in their wavelength and frequency. | 0.733048 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_2237 | text | null | All known matter can be divided into a little more than 100 different substances called elements. | 0.725975 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_1674 | text | null | Remember that H2 O is a polar molecule, so it can dissolve many substances (Figure 1.1). Salts, sugars, acids, bases, and organic molecules can all dissolve in water. | 0.717132 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.717112 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | 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. | 0.715937 |
NDQ_016331 | boyles law applies to liquids as well as gases. | null | a. true, b. false | b | 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. | 0.715462 |
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