C14 Earth's Atmosphere
Authored by Emily Lowther
Science
9th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the Earth's early atmosphere mainly composed of?
Carbon dioxide and water vapour
Oxygen and nitrogen
Hydrogen and helium
Methane and ammonia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process caused the amount of carbon dioxide to decrease and oxygen to increase?
Condensation
Evaporation
Volcanic activity
Photosynthesis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Approximately how old is the Earth?
4.6 billion years
3.5 billion years
5.2 billion years
2.8 billion years
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What theory suggests the source of the early atmosphere?
Biological activity
Meteorite impacts
Volcanic activity
Solar winds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What gases were likely released by volcanic activity in the early atmosphere?
Hydrogen and helium
Carbon dioxide, ammonia, and methane
Oxygen and nitrogen
Ozone and argon
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happened to the water vapour released by volcanic activity?
It formed clouds
It escaped into space
It remained as vapour
It formed the oceans
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why has nitrogen gradually built up in the atmosphere?
Because it was brought by comets
Because it was released by plants
Because it is unreactive
Because it is reactive
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