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.  Where all weather and clouds are found ___Troposphere______

2.  Contains the ozone layer ___Stratosphere______

3.  Where airplanes fly ___ Stratosphere______

4.  Located closest to Earth’s surface ____Troposphere______

5.  The densest layer ____Troposphere______

6.  Where most water vapor is found ____Troposphere______

7.  The coldest layer ____Mesosphere______

8.  Where satellites and space station are found ____Thermosphere______

Write the name of the layer of the atmosphere in the box on the diagram below.

13. __Ozone___ gas in the Earth’s atmosphere helps protect life on Earth by absorbing ultraviolet radiation.

14. 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.

15. The greatest atmospheric pressure occurs in the Troposphere__.

16. The __Troposphere has the smallest distance from the bottom to the top of the layer.

17. Most clouds form in the troposphere because almost all of the atmospheric __water vapor is found in this layer.

18. The element __Nitrogen has the highest percentage by volume in the troposphere.

19. The Earth’s atmosphere is _layered with each layer possessing distinct __characteristics.

20. The __stratosphere is warmer at the top of the layer than at the bottom of the layer.

21. Scientists have inferred that the Earth’s original atmosphere was formed by the release of gases from __volcanic eruptions.

22. The gases CO2, H2O, and N2 all contributed to the early composition of the ___atmosphere .

23. Twelve kilometers is the approximate thickness of the __troposphere .

24. As elevation in the lower atmosphere increases, air temperature _decreases .

25. Using the terms below, fill in the pie chart below with the name of the gas found in the lower atmosphere.

(Nitrogen, Oxygen, Other Gases)