Name _____________________________________
Date _____________________
Block ______
Quiz Review – Composition, Layers, and Early Atmosphere
1-8. 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
2. ________________________________ Contains a layer of ozone
3. ________________________________ Where jet planes fly
4. ________________________________ Located closest to Earth’s surface
5. ________________________________ The densest layer
6. ________________________________ Where most water vapor is found
7. ________________________________ The coldest layer
8. ________________________________ Where satellites are found
9-15. Write the name of the atmospheric layers and boundaries in the correct box on the diagram below.
9.
13.
10.
14.
11.
15.
12.
16-27. Fill in the blanks with the appropriate term to complete each sentence.
16.
________________ 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 ________________ in the atmosphere
which would cause an increase in the heating up of the atmosphere.
18.
The greatest atmospheric pressure occurs in the _______________________.
19.
The ___________________ 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 _______________ is found
in this layer.
21.
The element ________________ has the highest percentage by volume in the troposphere.
22.
The Earth’s atmosphere is _____________ with each layer possessing distinct ___________________.
23.
The _________________ is warmer at the top of the layer than at the bottom of the layer.
(2 possible answers)
24.
Scientists have inferred that the Earth’s original atmosphere was formed by the release of gases from
_________________ eruptions.
25.
The gases CO2 , H2O, and N2 all contributed to the early composition of the ___________________.
26.
The ____________________, the layer above the surface, is approximately 12 km thick.
27.
As elevation in the lower atmosphere increases, air temperature _______________.
28-30. Using the terms below, fill in the pie chart with the
name of the gases found in the atmosphere by
approximate percentage.
[ Nitrogen, Oxygen, Other Gases ]
31. Which graph below shows the general effect that elevation has on temperature in the troposphere?
A
B
C
D