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. 1. ___Troposphere__________ Where all weather and clouds are found 2. ___Stratosphere_________ Contains a layer of ozone 3. ___ Stratosphere__________ Where airplanes fly 4. ____Troposphere__________ Located closest to Earth’s surface 5. ____Troposphere___________ The densest layer 6. ____Troposphere___________ Where most water vapor is found 7. ____Mesosphere___________ The coldest layer 8. ____Thermosphere__________Where satellites are found Write the name of the layer of the atmosphere in the box on the diagram below. 13. Mesopause 14. Stratopause 15.Tropopause 16. __Ozone___ gas in the Earth’s atmosphere helps protect life on Earth by absorbing ultraviolet radiation. 17. Scientists are concerned about an increase in the amount of _Carbon Dioxide___ in the atmosphere which would cause an increase in the heating up of the atmosphere. 18. The greatest atmospheric pressure occurs in the Troposphere__. 19. The __Troposphere has the smallest distance from the bottom to the top of the layer. 20. Most clouds form in the troposphere because almost all of the atmospheric __water vapor is found in this layer. 21. The element _ Nirtogen has the highest percentage by volume in the troposphere. 22. The Earth’s atmosphere is _layered with each layer possessing distinct __characteristics. 23. The __stratosphere is 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 release of gases from __volcanic eruptions. 25. The gases CO2 , H2O, and N2 all contributed to the early composition of the ___atmosphere . 26. The troposphere, the layer above the surface, is approximately 12 km thick. 27. As elevation in the lower atmosphere increases, air temperature _decreases . 28-30. Using the terms below, fill in the pie chart below with the name of the gas found in the lower atmosphere. Oxygen Other gases (Nitrogen, Oxygen, Other Gases) Nitrogen 31. Which graph below shows the general effect that elevation has on temperature in the troposphere? A B C D– as elevation increases, temperature decreases