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Solar System Review Flashcards | StudBud
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Solar System Review
Solar System Review
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Questions
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Answers
1
How many continents does the earth have?
6
4
7
5
2
How long does it take the earth to revolve around the sun?
1 month
12 hours
1 year
24 hours
3
What is the path the earth follows around the sun called?
year
revolve
rotate
orbit
4
What percentage of the sun is Helium?
0.04%
27%
99%
21%
5
In July, what is the season in the South?
Spring
Winter
Summer
Autumn (fall)
6
How long does it take the earth to rotate one time?
24 hours
1 month
12 hours
1 year
7
What two kinds of energy come from the sun? Choose 2 answers.
Chemical
Heat
Electricity
Light
8
What two gases is the sun mostly made of? Choose 2 answers.
Hydrogen
Helium
Carbon Dioxide
Oxygen
9
What percentage of the sun is Hydrogen?
78%
71%
99%
21%
10
How old is the sun?
4.6 million years
4.6 billion years
6.4 million years
6.4 billion years
11
How far is the earth from the sun?
about 150 million km
about 150 km
about 150 thousand km
about 150 billion km
12
How old is the Earth?
4.5 years
4.5 million years
4.5 thousand years
4.5 billion years
13
In July, what is the season in the North?
Winter
Spring
Summer
Autumn (fall)
14
How many oceans does the earth have?
7
4
6
5
15
What kind of energy does the sun use?
Mechanical
Chemical
Electrical
Nuclear
16
How many layers does the earth have?
3
2
4
5
17
What is the imaginary line around the center of the earth called?
north pole
center line
south pole
equator
18
What is the circumference of the Earth?
40,000 km
4 km
400,000 km
4,000 km
19
All planets revolve around the sun.
True
False
