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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
Oxygen
B
Argon
C
Hydrogen
D
Nitrogen
2) Which is the 2nd largest percent in the mixture of Earth's Atmosphere?
A
Argon
B
Oxygen
C
Nitrogen
D
Hydrogen
3) Which is the 3rd largest percent in the mixture of Earth's Atmosphere?
A
Hydrogen
B
Nitrogen
C
Argon
D
Water Vapor
4) What is the Product of Photosynthesis?
A
Nitrogen
B
Carbon Dioxide
C
Hydrogen
D
Oxygen
5) What gas do plants change into Oxygen?
A
Argon
B
Carbon Dioxide
C
Hydrogen
D
Nitrogen
6) What percent of the Atmosphere is Nitrogen?
A
80-81%
B
78-79%
C
89-90%
D
49-50%
7) What percent of the Atmosphere is Oxygen?
A
20-21%
B
79-79%
C
49-50%
D
Less than 2%
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
Water Vapor
B
Nitrogen
C
Potassium
D
Oxygen
10) Which may be partly responsible for increased amount of carbon dioxide in Earth's atmosphere?
A
the burning of fossil fuels
B
rising temperatures
C
increased farming
D
increase in organisms that use photosynthesis to make their own food
*select an answer for all questions
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