Earth brainpop video

Why is Earth's nickname "the blue planet?"

• Because 70 percent of it is covered in water

• Because its clouds appear blue from space

• Because snow-peaked mountains appear blue from space

• Because its sky is blue 

What keeps earth's temperature at the proper level for life?

• Its polar ice caps

• Its distance from the sun

• Its metallic core

• Its magnetic field

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

What is the relationship between carbon and life on earth?

• The first living creatures consisted of individual carbon atoms 

• All life on earth ingests carbon 

• All life on earth breathes in carbon dioxide 

• All life on earth is based on carbon

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

How big is the earth compared with the other planets in the solar system?

• Fifth-largest

• Fourth-largest

• Third-largest

• Second-largest

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NGSS.MS-ESS1-3

Which choice accurately describes the function of the earth's atmosphere?

• It absorbs all radiation from the sun

• It blocks harmful radiation but traps warmth

• It reflects all the radiation from the sun

• It absorbs light radiation but blocks heat radiation

Which of the following is an opinion about the earth? (not fact)

• Its atmosphere is 21 percent oxygen

• It is the only planet in the Universe that can support life

• Its core is made out of iron

• Its atmosphere is mostly nitrogen

What might happen if the Earth did not have a magnetic field?

• The planet would immediately become too cold

• The planet would immediately become too hot

• The oxygen in the atmosphere might dissipate

• We might be bombarded by dangerous cosmic rays

Water is essential for life on earth. In the previous sentence, what does "essential" mean?

• Helpful

• Useful

• Necessary

• Optional

Tags

NGSS.MS-ESS2-4

Which factor is responsible for Earth's gravity?

• Its spin

• Its tilt on its axis

• Its mass

• Its water

Tags

NGSS.MS-PS2-4

Which term best describes the outer core of the Earth?

• Solid

• Liquid

• Molten

• Gaseous