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Science: atmosphere
| Question | Answer |
|---|---|
| What is a thin layer of air that protects the Earth's surface from extreme temperatures and harmful sunrays | Atmosphere |
| Atmospheric makeup-mixture of gases,___,and liquids | solids |
| Volcanoes produced nitrogen and carbon dioxide, but little____ | oxygen |
| More than 2 billion years ago ___began producing oxygen | organisms |
| eventually oxygen formed an ___layer that protected Earth from harmful rays. | Ozone |
| _____plants and diverse life forms developed | green |
| Atmospheric _____include nitrogen (78%), oxygen (21%), carbon dioxide, water capor, and argon | gases |
| Pollutants mix with oxygen and other chemicals to form | smog |
| _____include dust, salt, and pollen | solid particles |
| What is the Lowest layer, where humans live, and which extends about 10km up, and contains most of the water vappor and gases | Troposphere |
| Extending from 10km to 50 km above the earth. What contains ozone? | Stratosphere |
| what extends from 50 km to 85 km and is the layer in which meteors are visible | Mesosphere |
| Thickest part of atmosphere is from 85km to 500 km and is called the ______for its high temperatures | thermosphere |
| Within the mesosphere and thermosphere is a layer of charges particles called the _____that can help carry radio waves | Ionosphere |
| What is the outer layer of atmosphere in which the space shuttle flies; has very few molecules | Exosphere |
| Thermosphere and exosphere are the first to recieve the sun's rays, so they are very___ | hot |
| What is about 19 km to 48 km above Earth in the Statosphere, this layer of 3-atom oxygen molecules(03)protects the Earth from the Sun's harmful ultraciolet radiation. | Ozone Layer |
| Life on Earth, as we know it,_____on it. | depends |
| Pollutants called _____(CFCs) are destroying the ozone layer. | Chlorofluorocarbons |
| CFCs are used in ______, air conditioners, aerosol sprays, and foam packaging. | refridgerators |
| If these products develop a leak, CFCs can enter the _____ | atmosphere |
| The Ozone layer has a large hold over____ | Antartica |
| some Energy from the Sun is reflected back into _____, some is absorbed by the,_______,and some is absorbed by _____and water on earth's surface. | Space, atmosphere, land |
| What kind of energy tat flows from an object with a higher temperature to one with lower temperature | Heat |
| what kind of energy is transferred in rays or waves | Radiation |
| What kind of energy is transfer of energy when molecules bump into each other through contact? | conduction |
| Molecules move closer togther, making the air more dense, and air____rises. | pressure |
| cold air ___, pushing up warm aiir, awhich them cools and sinks, pushing up more warm air. | sinks |
| What is water moces back and forth between Earth's atmosphere and surface? | The Water Cycle |
| Water Vapor in the atmospohere can cool and return to liquid form through | Condensation |
| When water Capor condenses, clouds of tiny water____may form | droplets |
| As water drops grow, tehy fall back to Earth as ___ | precipitation |
| Earth's atmosphere is unique- it holds just the right amount of the Sun's ____to support life | Energy |
| What is the movement of air from an area of high pressure to an area of lower pressure. | Wind |
| The Equator's warm air, being less dense, is pushe upward by denser, ____air. | colder |
| The pole's cold air, beiong more___, sinks an dmoves along Earth's surface. | dense |
| The______-rotation of the Earth causes moving air and water to shift to the right north of the equator and left south of the equator | Coriolis effect |
| Near the Equator, very little wind and daily rain patterns called the _____ | duldrum |
| Between the |
Created by:
shaya