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Atmosphere
heating, atmospheric layers, winds
| Question | Answer |
|---|---|
| What are the properties of air? | Air has mass, pressure, density, and temperature. |
| What conditions must exist if air has pressure and density? | Air has mass. |
| What happens to air pressure as altitude increases? | Air pressure decreases as altitude increases. |
| What happens with air density as you go higher in the atmosphere? | Air density decreases as you go higher in the atmosphere. |
| How does warm air and cool air differ in density? | Warm air is less dense; Cool air is more dense. |
| Compare warm air and cold air in terms of air pressure. | Cold air has more air pressure and Warm air has less air pressure |
| What is the atmosphere? | The atmosphere is a layer of gases that surrounds the Earth. |
| What are the two most abundant gases in the atmosphere? | Nitrogen gas is 78% of the Earth's atmosphere; Oxygen is 21% of the Earth's atmosphere. |
| What is the remaining amount of gases left, excluding nitrogen and oxygen? | 1% of carbon dioxide, water vapor and trace gases make up the remaining amount of gases left in the atmosphere, excluding nitrogen and oxygen. |
| What classifies the layers that divide Earth’s atmosphere? | Temperature classifies the layers that divide Earth's atmosphere. |
| List the four main layers of the atmosphere in order from Earth’s surface to space. | The troposphere, stratosphere, mesosphere, and thermosphere are the main layers of the atmosphere from Earth's surface to space. |
| Classify each layer of the atmosphere with its own characteristic. | Troposphere-weather; Stratosphere-ozone layer; Mesosphere-cold; Thermosphere-Ionosphere (Northern Lights) and Exosphere (space) |
| Describe the results of the unequal heating of Earth’s surface. | The unequal heating of Earth's surface results from the angle at which sunlight strikes the Earth's surface creating a difference in temperature and air pressure. |
| Why does the equator tend to have warmer temperatures than the poles? | The sun's rays are more direct at the equator and least direct near the poles because the Earth is tilted on its axis. |
| How does the movement of warm air that rises and cool air that sinks in the troposphere occur? | Convection currents move warm air that rises and cool air that sinks throughout the troposphere. |
| What is the greenhouse effect? | The greenhouse effect is when the temperature rises because the sun’s heat and light is trapped in the Earth’s atmosphere. |
| What type of surface receives the most heat by radiation from the sun? | Land receives the most heat by the radiation from the sun compared to water. |
| When does a sea breeze and land breeze occur? | Sea breezes occur during the day; Land breezes occur at night. |
| How does the rate at which land cools off compare to the ocean | Land cools off more quickly than ocean (water). |
| How does the rate at which the ocean warms up compare to land? | The ocean (water) warms up slower than land. |
| What causes winds? | Winds are caused by differences in air pressure that result from the unequal heating of the Earth's atmosphere. |
| How are local winds and global winds different? | Local winds blow over short distances, within small areas; Global winds blow steadily over long distances, between the equator and the poles. |
| Describe the Coriolis effect. | The Coriolis effect causes winds to curve due to Earth's rotation. |
| What major energy source powers winds? | The sun powers the winds. |
Created by:
Y.Miller