Quiz Review – Composition, Layers, and Early Atmosphere
Name ______Date ______block ______Earth Science
Decide which layer of the atmosphere is described by each characteristic listed below and write the name of the layer on the line.
- ___Troposphere______Where all weather and clouds are found
- ___Stratosphere______Contains a layer of ozone
- __Stratosphere/Troposphere Where airplanes fly
- ____Troposphere______Located closest to Earth’s surface
- ____Troposphere______The densest layer
- ____Troposphere______Where most water vapor is found
- ____Mesosphere______The coldest layer
- ____Thermosphere______Where satellites and shuttle are found
Write the name of the layer of the atmosphere in the box on the diagram below.
16.__Ozone___ gas in the Earth’s atmosphere helps protect life on Earthby absorbing ultravioletradiation.
17. Scientists are concerned about an increase in the amount of _Carbon Dioxide___ in the atmospherewhich would cause an increase in the heating up of the atmosphere.
18. The greatest atmospheric pressureoccurs in theTroposphere__.
19. The __Tropospherehas the smallest distance from the bottom to the top of the layer.
20. Most clouds form in the troposphere because almost all ofthe atmospheric __watervaporisfoundin this layer.
21. The element _Nitrogenhas the highest percentage by volumeinthe troposphere.
22. The Earth’s atmosphere is _layeredwith each layer possessing distinct __characteristics.
23. The __stratosphereis warmer at the top of the layer than at the bottom of the layer.
24. Scientists have inferred that the Earth’s original atmosphere was formed by the releaseof gases from__volcaniceruptions.
25. The gasesCO2,H2O,andN2all contributed to the early composition of the ___atmosphere.
26. Thetroposphere,the layer above the surface, is approximately 12 km thick.
27. As elevation in theloweratmosphere increases,air temperature _decreases.
28.After theozone layerwas formedlife was able to develop on land.
29.Cyanobacteriaalso called blue-green algae,are credited with producing the oxygen rich atmosphere.
30.Over billions of years, cyanobacteria formed rock-like mounds calledstromatolites.
31. (Nitrogen, Oxygen, Other Gases)
32. Which graph below shows the general effect that elevation has on temperaturein the troposphere?
A B C D – as elevation increases, temperature decreases