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Lesson 18 - Atmospheric Composition
Test Description: SPI 0807.9.5
Instructions: Answer all questions to get your test result.
1) Which is the largest percent in the mixture of Earth's Atmosphere?
A
Argon
B
Nitrogen
C
Hydrogen
D
Oxygen
2) Which is the 2nd largest percent in the mixture of Earth's Atmosphere?
A
Argon
B
Oxygen
C
Hydrogen
D
Nitrogen
3) Which is the 3rd largest percent in the mixture of Earth's Atmosphere?
A
Water Vapor
B
Hydrogen
C
Argon
D
Nitrogen
4) What is the Product of Photosynthesis?
A
Carbon Dioxide
B
Hydrogen
C
Oxygen
D
Nitrogen
5) What gas do plants change into Oxygen?
A
Nitrogen
B
Carbon Dioxide
C
Hydrogen
D
Argon
6) What percent of the Atmosphere is Nitrogen?
A
80-81%
B
78-79%
C
49-50%
D
89-90%
7) What percent of the Atmosphere is Oxygen?
A
20-21%
B
49-50%
C
Less than 2%
D
79-79%
8) What percent of the Atmosphere is Argon and other gases?
A
1-2%
B
20-21%
C
49-50%
D
78-79%
9) Which is a Trace Gas in Earth's Atmosphere
A
Potassium
B
Water Vapor
C
Oxygen
D
Nitrogen
10) Which may be partly responsible for increased amount of carbon dioxide in Earth's atmosphere?
A
increase in organisms that use photosynthesis to make their own food
B
increased farming
C
rising temperatures
D
the burning of fossil fuels
*select an answer for all questions
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