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NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., 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? | 0.330777 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | DQ_002744 | image | question_images/radioactive_decay_8182.png | radioactive_decay_8182.png | 0.32355 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | DQ_002681 | image | question_images/radioactive_decay_7516.png | radioactive_decay_7516.png | 0.316878 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_4470 | image | textbook_images/gases_22861.png | FIGURE 1.2 | 0.316195 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.307011 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., 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? | 0.301952 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | DQ_011671 | image | question_images/state_change_7608.png | state_change_7608.png | 0.301182 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_0205 | image | textbook_images/the_atmosphere_20135.png | FIGURE 15.3 This graph identifies the most common gases in air. | 0.300977 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | DQ_002718 | image | question_images/radioactive_decay_8174.png | radioactive_decay_8174.png | 0.297713 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_4351 | image | textbook_images/electric_fields_22787.png | FIGURE 1.1 | 0.296095 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_3943 | text | null | The particles that make up matter are also constantly moving. They have kinetic energy. The theory that all matter consists of constantly moving particles is called the kinetic theory of matter. You can learn more about it at the URL below. | 0.717228 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., 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. | 0.700694 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | 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. | 0.695441 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | 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. | 0.686146 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., 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. | 0.683697 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., 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. | 0.673727 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | 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. | 0.668464 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.665666 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | 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 | 0.661575 |
NDQ_017273 | particles of gases are always | null | a. moving at random., b. bumping into each other., c. bumping into their container., d. all of the above | d | T_0726 | text | null | Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy. | 0.661082 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.308681 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_3947 | image | textbook_images/behavior_of_gases_22545.png | FIGURE 4.12 As the volume of a gas increases, its pressure decreases. | 0.305275 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_4183 | image | textbook_images/buoyancy_22689.png | FIGURE 1.1 | 0.302226 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.295293 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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? | 0.293464 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.280272 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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? | 0.277579 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.274801 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | DQ_011501 | image | question_images/states_of_matter_7614.png | states_of_matter_7614.png | 0.274504 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | DQ_011602 | image | question_images/evaporation_and_sublimation_8077.png | evaporation_and_sublimation_8077.png | 0.270532 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.655261 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_4323 | text | null | The SI unit for distance is the meter (m). Short distances may be measured in centimeters (cm), and long distances may be measured in kilometers (km). For example, you might measure the distance from the bottom to the top of a sheet of paper in centimeters and the distance from your house to your school in kilometers. | 0.652531 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.650918 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.646325 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.643865 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.63978 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_4715 | text | null | Compare and contrast the basic properties of matter, such as mass and volume. | 0.637964 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.634599 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | T_4889 | text | null | The speed of sound is the distance that sound waves travel in a given amount of time. Youll often see the speed of sound given as 343 meters per second. But thats just the speed of sound under a certain set of conditions, specifically, through dry air at 20 C. The speed of sound may be very different through other matter or at other temperatures. | 0.63051 |
NDQ_017276 | the si unit of pressure is | null | a. N/m2., b. mb/in2., c. mb/km2., d. none of the above | a | 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. | 0.629785 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000471 | image | question_images/layers_of_atmosphere_7073.png | layers_of_atmosphere_7073.png | 0.339886 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000477 | image | question_images/layers_of_atmosphere_8100.png | layers_of_atmosphere_8100.png | 0.338222 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000460 | image | question_images/layers_of_atmosphere_7069.png | layers_of_atmosphere_7069.png | 0.337324 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | 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. | 0.337167 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | 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. | 0.33517 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000466 | image | question_images/layers_of_atmosphere_7070.png | layers_of_atmosphere_7070.png | 0.332135 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_4471 | image | textbook_images/gases_22862.png | FIGURE 1.3 | 0.331585 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DD_0082 | image | teaching_images/greenhouse_effect_6945.png | This diagram illustrates the basic processes behind the greenhouse effect. The greenhouse effect is a natural process that warms the Earth, and, in fact, is quite necessary for our survival. In the shown diagram, arrows display how the greenhouse effect works. Electromagnetic radiation from the Sun passes through the Earthó»s atmosphere. The Earth absorbs these short wavelengths and warms up. Heat is then radiated from the Earth as longer wavelength infrared radiation. Some of this infrared radiation is absorbed by greenhouse gases in the atmosphere. Absorption of heat causes the atmosphere to warm and emit its own infrared radiation. The Earthó»s surface and lower atmosphere warm until they reach a temperature where the infrared radiation emitted back into space, plus the directly reflected solar radiation, balance the absorbed energy coming in from the Sun. The equilibrium of incoming and outgoing radiation is what keeps the Earth warm and habitable. | 0.327821 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000483 | image | question_images/layers_of_atmosphere_8101.png | layers_of_atmosphere_8101.png | 0.324362 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | DQ_000454 | image | question_images/layers_of_atmosphere_7067.png | layers_of_atmosphere_7067.png | 0.322121 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_1578 | text | null | The atmosphere has different properties at different elevations above sea level, or altitudes. | 0.84785 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | 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. | 0.829812 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | 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. | 0.80507 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | 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. | 0.786044 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_0541 | text | null | The three outer layers of the Sun are its atmosphere. | 0.779189 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_0959 | text | null | The short term cycling of carbon begins with carbon dioxide (CO2 ) in the atmosphere. | 0.778992 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | 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. | 0.776973 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | 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. | 0.776175 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_1018 | text | null | To make a weather forecast, the conditions of the atmosphere must be known for that location and for the surrounding area. Temperature, air pressure, and other characteristics of the atmosphere must be measured and the data collected. | 0.774355 |
NDQ_017278 | the atmosphere exerts pressure only downward toward earths surface. | null | a. true, b. false | b | T_0197 | text | null | Gases in the atmosphere surround Earth like a blanket. They keep the temperature in a range that can support life. The gases keep out some of the Suns scorching heat during the day. At night, they hold the heat close to the surface, so it doesnt radiate out into space. | 0.772842 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_4114 | image | textbook_images/air_pressure_and_altitude_22656.png | FIGURE 1.1 | 0.337081 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_3618 | image | textbook_images/pressure_of_fluids_22296.png | FIGURE 15.6 This graph shows how air pressure de- creases with increasing altitude. the air pressure on the surface of the drink. Because fluid flows from an area of high to low pressure, the drink moves up the straw and into your mouth. When you breathe, a muscle called the diaphragm causes the rib cage and lungs to expand or contract. When they expand, the air in the lungs is under less pressure than the air outside the body, so air flows into the lungs. When the ribs and lungs contract, air in the lungs is under greater pressure than air outside the body, so air flows out of the lungs. | 0.33693 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | 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? | 0.321572 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_3617 | image | textbook_images/pressure_of_fluids_22294.png | FIGURE 15.4 The pressure of ocean water increases rapidly as the water gets deeper. | 0.316242 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | 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? | 0.305923 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_4686 | image | textbook_images/oceanic_pressure_22994.png | FIGURE 1.1 | 0.305074 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | DQ_000362 | image | question_images/tides_150.png | tides_150.png | 0.301958 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | DQ_000311 | image | question_images/ocean_waves_7120.png | ocean_waves_7120.png | 0.300357 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | DQ_000358 | image | question_images/tides_149.png | tides_149.png | 0.300082 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_0290 | image | textbook_images/weather_forecasting_20181.png | FIGURE 16.26 This weather map shows air pressure contours. Which state has the lowest air pressure shown on the map? | 0.298925 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_1578 | text | null | The atmosphere has different properties at different elevations above sea level, or altitudes. | 0.702275 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | 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. | 0.679936 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | 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. | 0.670835 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_1235 | text | null | The high and low pressure areas created by the six atmospheric circulation cells also determine in a general way the amount of precipitation a region receives. Rain is common in low pressure regions due to rising air. Air sinking in high pressure areas causes evaporation; these regions are usually dry. These features have a great deal of influence on climate. | 0.669448 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | 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. | 0.668817 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_0293 | text | null | Climate is the average weather of a place over many years. It includes average temperatures. It also includes average precipitation. The timing of precipitation is part of climate as well. What determines the climate of a place? Latitude is the main factor. A nearby ocean or mountain range can also play a role. | 0.6496 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_1018 | text | null | To make a weather forecast, the conditions of the atmosphere must be known for that location and for the surrounding area. Temperature, air pressure, and other characteristics of the atmosphere must be measured and the data collected. | 0.646005 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_0265 | text | null | When cold air masses move south from the poles, they run into warm air masses moving north from the tropics. The boundary between two air masses is called a front. Air masses usually dont mix at a front. The differences in temperature and pressure cause clouds and precipitation. Types of fronts include cold, warm, occluded, and stationary fronts. | 0.643273 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | 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. | 0.642606 |
NDQ_017280 | air pressure at sea level is closest to | null | a. 80 mb., b. 110 mb., c. 810 mb., d. 1010 mb. | d | T_0914 | text | null | An air mass is a batch of air that has nearly the same temperature and humidity (Figure 1.1). An air mass acquires these characteristics above an area of land or water known as its source region. When the air mass sits over a region for several days or longer, it picks up the distinct temperature and humidity characteristics of that region. | 0.641497 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4606 | image | textbook_images/mendeleevs_periodic_table_22942.png | FIGURE 1.1 | 0.292792 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4046 | image | textbook_images/chemical_equations_22610.png | FIGURE 8.5 Lavoisier carried out several experiments inside a sealed glass jar. Why was sealing the jar important for his results? | 0.284523 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4277 | image | textbook_images/conservation_of_mass_in_chemical_reactions_22748.png | FIGURE 1.1 Antoine Lavoisier. | 0.280616 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_3553 | image | textbook_images/nuclear_energy_22240.png | FIGURE 11.18 Albert Einstein is considered by many to be the greatest physicist of all time. | 0.262862 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4292 | image | textbook_images/daltons_atomic_theory_22758.png | FIGURE 1.1 | 0.262827 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_3588 | image | textbook_images/gravity_22270.png | FIGURE 13.17 Sir Isaac Newton discovered that gravity is universal. | 0.254559 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_3093 | image | textbook_images/influences_on_darwin_21922.png | FIGURE 1.1 | 0.252107 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_3177 | image | textbook_images/microscopes_21987.png | FIGURE 1.2 | 0.240597 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4133 | image | textbook_images/artificial_light_22665.png | FIGURE 1.1 | 0.240561 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_4832 | image | textbook_images/scientific_process_23068.png | FIGURE 1.1 | 0.23876 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | 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. | 0.65114 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_3382 | text | null | Modern science is a way of understanding the physical world, based on observable evidence, reasoning, and repeated testing. That means scientists explain the world based on their own observations. If they develop new ideas about the way the world works, they set up a way to test these new ideas. | 0.622838 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_1905 | text | null | Most scientific theories were developed by scientists doing basic scientific research. Like other sciences, life science may be either basic or applied science. | 0.621484 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_1902 | text | null | Each field of life science has its own specific body of knowledge and relevant theories. However, two theories are basic to all of the life sciences. They form the foundation of every life science field. They are the cell theory and the theory of evolution by natural selection. Both theories have been tested repeatedly. Both are supported by a great deal of evidence. | 0.589104 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_0116 | text | null | Every organism is different from every other organism. Every organisms genes are different, too. | 0.583352 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | 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. | 0.580578 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | 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. | 0.579276 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_1499 | text | null | If we were doing a scientific investigation we need to gather the information to test the hypotheses ourselves. We would do this by making observations or running experiments. | 0.576165 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_2604 | text | null | Individuals dont evolve. Their alleles dont change over time. The unit of microevolution is the population. | 0.572389 |
NDQ_017362 | the person who introduced the idea of empiricism to science was | null | a. Aristotle., b. Geber., c. Copernicus., d. Einstein. | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.570299 |
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