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- 1. Multiple ChoiceWhich gas in our atmosphere is most abundant?ArgonOxygenNitrogenCarbon Dioxide
- 2. Multiple ChoiceThis layer of the atmosphere contains most of the ozone.tropospherethermospheremesospherestratosphere
- 3. Multiple ChoiceThis gas makes up 78% of the atmosphereoxygennitrogenozonecarbon dioxide
- 4. Multiple ChoiceThis is the coldest layer of the atmosphere.tropospherethermospheremesospherestratosphere
- 5. Multiple ChoiceWhat are the 2 most abundant gases in Earth's atmosphere?carbon dioxide and oxygencarbon dioxide and nitrogennitrogen and oxygennitrogen and hydrogen
- 6. Multiple ChoiceThe temperature in the stratosphere ________.increases as you reach the ozone layeris cold all the way updecreases as you reach the ozone layerstays the same through the layer
- 7. Multiple ChoiceThe layers of the atmosphere are classified according to changes in _________.altitudedensitycompositiontemperature
- 8. Multiple ChoiceWhat happens to air pressure as you go higher in the atmosphere?It increases.It decreases.It stays the same.It increases and then decreases.
- 9. Multiple ChoiceJames plans to climb to the top of Mount Everest. Which of the following statements about his climb will be the most accurate?Air pressure will rise and the temperature on a thermometer will increase.Air pressure will fall and the temperature on a thermometer will decrease.Air pressure will rise and the temperature on a thermometer will decrease.Air pressure and thermometer will not change.
- 10. Multiple Choice
Where is the altitude the greatest?1234 - 11. Multiple ChoiceWhere is the air pressure the greatest?1234
- 12. Multiple ChoiceWhere is the temperature the highest?1234
- 13. Multiple ChoiceWhat protects us from dangerous ultraviolet radiation from the sun?OzoneMrs. KirbyMs. ReyesCarbon Dioxide
- 14. Multiple ChoiceWhat protects us from dangerous ultraviolet radiation from the sun?OzoneMrs. KirbyMs. ReyesCarbon Dioxide
- 15. Multiple ChoiceWhat would happen if the Earth had no atmosphere, as in no air?No life or weatherIt would be the same as now just a little harder to breathe
- 16. Multiple ChoiceThe atmosphere keeps the Earth...Warm enough for lifeToo Cold for LifeSpinningOrbiting the sun
- 17. Multiple ChoiceThe atmosphere protects the Earth from...EarthquakesComets and MeteorsTsunamisFaults
- 18. Multiple ChoiceThe lower the atmosphere pressure, the ____________________ you are on land or sky.HigherLower
- 19. Multiple ChoiceWe live in the __________________layer, a level of the atmosphere.TroposphereStratosphereMesosphereExosphere
- 20. Multiple ChoiceThe _______________________________ is responsible for the weather, rain, or snowExosphereThermosphereMagnetosphereTroposphere
- 21. Multiple ChoiceThe atmosphere is divided into four layers. Which layer constitutes most of the total mass of the atmosphere?the mesospherethe stratospherethe thermospherethe troposphere
- 22. Multiple ChoiceThe atmosphere is divided into four layers, the mesosphere, troposphere, thermosphere, and stratosphere. Each layer has unique physical properties. Which of the following statements about the stratosphere is true?Weather happens in the stratosphere.The stratosphere is below the troposphere.The stratosphere is warmer at the top than at the bottom.
- 23. Multiple ChoiceThe gases that make up Earth’s atmosphere are commonly referred to as air. Approximately what percentage of air is made up of gases other than nitrogen and oxygen?1%11%21%99%
- 24. Multiple ChoiceThe atmosphere exerts a force (pressure) on Earth. Why does the atmosphere exert pressure on Earth?because of the pull of Earth’s gravity on air moleculesbecause of electromagnetic radiation from outer spacebecause of the effect of the ozone layer on solar radiationbecause of the effect of greenhouse gases on heat radiating from Earth
- 25. Multiple ChoiceAn astronomer studying planets outside our solar system has analyzed the atmospheres of four planets. Which of these planets’ atmospheres would be most able to support a colony of humans?Planet A: 76% Nitrogen, 23% Oxygen, 1% OtherPlanet B: 82% Nitrogen, 11% Oxygen, 7% OtherPlanet C: 78% Nitrogen, 1% Oxygen, 21% Other
- 26. Multiple ChoiceThe graph shows the relative abundance of gases in Earth’s atmosphere. Which gas(es) correspond(s) to label C in the figure?oxygennitrogenargon and carbon dioxideoxygen and carbon dioxide
- 27. Multiple ChoiceWhich layer is responsible for shielding Earth from ultraviolet radiation?Layer 1Layer 2Layer 3Layer 4
- 28. Multiple ChoiceMost of the materials in the atmosphere are ___densebiggases
- 29. Multiple ChoiceThe higher one is in the atmosphere the ________________ oxygen(air) there is available to breathe.MoreLess
- 30. Multiple ChoiceThe air on top of the mountain is ___ dense than the air at sea levelMoreLess
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