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Ch. 15 Atmosphere
Multiple Choice and Short Answer test
| Question | Answer |
|---|---|
| What would happen if the earth had no atmosphere? | The days would be hot and the nights would be cold. |
| How does the atmosphere benefit the earth? | It protects earth from sun's harmful rays |
| How many layers does the Earth's atmosphere have? | 5 |
| What had to happen before there was growth and survival of green plants on earth? | The formation of the ozone layer |
| What is the most abundant gas in the atmosphere? | Nitrogen |
| How have humans changed the composition of earth's atmosphere? | They have polluted it with carbon dioxide gas |
| In which layer of the atmosphere do you find rain, wind, snow and clouds? | Troposphere |
| Which layer of the atmosphere contains the ozone layer? | Stratosphere |
| Which layer is named after its high temperatures? | Thermosphere |
| Which is the largest layer of the atmosphere | Thermosphere |
| What is the outermost layer called? | Exosphere |
| Why are there fewer molecules of air up in the mountains? | Air pressure decreases as you go higher |
| How is the troposphere warmed? | The sun warms earth surface, which warms the air above it |
| Why are the thermosphere and exosphere the warmest layers in the atmosphere? | Because they are closest to the sun |
| Where can CFC's be found? | Refrigerators, Air Conditioners and Aerosol spray cans |
| What have CFC's done to the Earth and its atmosphere? | Increase in cancer, created a hole in the ozone layer and caused UV rays to reach earth |
| How many years will it take for the ozone hole to repair itself if all CFC's are banned and not used? | 50 years |
| Heat flows from | High to low temperature |
| What form of energy transfer heats Earth? | Radiation |
| Conduction is the transfer of heat through | Touch |
| The hydrosphere, which is all of Earth water, is maintained by | recycling water from the atmosphere |
| What is it called when water changes from a gas to a liquid? | Condensation |
| If I set a bowl of water out in the hot sun for 8 hours it will | have less water when I get back |
| What two forms of heat transfer help create a sea breeze? | Radiation and Convection |
| Area that receives the most direct sunlight | Equator |
| What is the windless, rainy zone near the equator called? | Doldrums |
| Narrow belts of strong winds, called ________ blow near the top of the Troposphere | Jet streams |
Created by:
placet
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