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Brain Pop - Earth

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Last updated about 2 years ago
10 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Why is Earth's nickname "the blue planet?"

Because 70 percent of it is covered in water
Because snow-peaked mountains appear blue from space
Because its sky is blue
Because its clouds appear blue from space
What keeps Earth's temperature at the proper level for life?
Its magnetic field
Its metallic core
Its polar ice caps
Its distance from the sun
What is the relationship between carbon and life on earth?

All life on earth ingests carbon
The first living creatures consisted of individual carbon atoms
All life on earth is based on carbon
All life on earth breathes in carbon dioxide
How big is the Earth compared with the other planets in the solar system?
Third-largest
Fifth-largest
Second-largest
Fourth-largest
Which choice accurately describes the function of the earth's atmosphere?
It blocks harmful radiation but traps warmth
It absorbs light radiation but blocks heat radiation
It absorbs all radiation from the sun
It reflects all the radiation from the sun
Which of the following is an opinion about the earth?
It is the only planet in the Universe that can support life
Its atmosphere is mostly nitrogen
Its atmosphere is 21 percent oxygen
Its core is made out of iron
What might happen if the Earth did not have a magnetic field?

The planet would immediately become too hot
The oxygen in the atmosphere might dissipate
We might be bombarded by dangerous cosmic rays
The planet would immediately become too cold
Water is essential for life on Earth. In the previous sentence, what does "essential" mean?
Helpful
Optional
Necessary
Useful
Which factor is responsible for Earth's gravity?
Its water
Its mass
Its tilt on its axis
Its spin
Which term best describes the outer core of the Earth?
Liquid
Molten
Solid
Gaseous