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Module 1 & 2 Review
| Question | Answer |
|---|---|
| atmosphere | layers of gasses surrounding a planet |
| troposphere | the lowest layer of Earth’s atmosphere. |
| stratosphere | the second layer of Earth’s atmosphere. |
| ozone layer | a layer in the stratosphere that contains high levels of ozone which traps UV radiation from the sun |
| mesosphere | the middle layer of the Earth’s atmosphere. |
| thermosphere | the fourth layer of Earth’s atmosphere |
| exosphere | the outermost layer of Earth’s atmosphere |
| pollution | introduction of harmful material in the environment |
| natural resources | a raw material that comes from the environment and is used to make the products people need for things like food, shelter, clothing, and entertainment |
| radiation | energy that travels in waves, comes from the Sun, and travels through space at the speed of light |
| conduction | the direct transfer of thermal energy from one substance to another substance that is touching |
| convection | the transfer of heat by movement of a heated fluid such as air or water |
| global winds: | winds that blow steadily from specific directions over long distances |
| Coriolis effect | the change that Earth's rotation causes in the motion of objects and that explains how the wind curves |
| global wind belt | winds that occur in belts that go all around the planet; caused by unequal heating of the atmosphere |
| polar easterlies | located between 60 and 90 degrees latitude in both northern and southern hemispheres, and originate from the east |
| prevailing westerlies | winds that blow from the west towards the east in the middle latitudes between 30 and 60 degrees latitude in both northern and southern hemispheres |
| trade winds | the wind that flows towards the equator from the north-east in the Northern Hemisphere or from the south-east in the Southern Hemisphere |
| doldrums | areas near the Equator in which warm air rises, travels north, and south until it cools and sinks, and then goes back to the Equator |
| horse latitudes | regions located at about 30 degrees north and south of the equator. These latitudes are characterized by calm winds and little precipitation |
| front | the boundary where unlike air masses meet but do not mix |
| cold front | the boundary that separates a cold, dry air mass from a warm air mass |
| warm front | the boundary between a mass of war |
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