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Review 8th

Authored by Anglo Colombia

English, Science

7th - 8th Grade

Used 1+ times

Review 8th
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The __________ is a thin layer of gases surrounding Earth.

Atmosphere

Mesosphere

Estratosphere

Troposphere

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth’s atmosphere contains a layer of __________ that helps keep

temperatures on Earth within a range that living organisms can survive.

Oxygen

Gases

Nitrogen

Carbon dioxide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth’s atmosphere helps protect living organisms from some of the _____________ harmful rays.

Atmosphere's

Sunlight's

Sun's

Earth's

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth’s ancient atmosphere formed from hot __________ that escaped from Earth’s hardening surface.

Rock

Gases

Acid

Water

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

As Earth’s atmosphere cooled, the water vapor condensed into a(n)

__________ that fell as rain. Over thousands of years, the rain

formed Earth’s __________.

Oceans

Water

Liquid

Crust

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Organisms that use photosynthesis produced the __________ in today’s atmosphere.

Carbon dioxide

Gases

Energy

Oxygen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nitrogen makes up about __________ percent of Earth’s atmosphere.

21%

78%

18%

31%

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