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8th Grade Unit 8 Earth’s Oceans and Atmosphere

Authored by Anonymous Anonymous

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8th Grade

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8th Grade Unit  8 Earth’s Oceans and Atmosphere
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30 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Warm air ____________ while cold air _____________.

Sinks; rises

Rises; sinks

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the main cause of global convection currents?

Uneven heating of the Earth’s surface

Greenhouse effect

Global winds

Jet streams

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is not a global wind?

Trade winds

Polar Easterlies

Sea Breezes

Westerlies

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Sea breezes are a local wind that develops during the ______.

Nightime

Daytime

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

____________ is the form of energy that causes water in the ocean to evaporate.

Potential

Kinetic

Heat

Chemical

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is ultimately responsible for convection within Earth’s atmosphere that leads to weather patterns?

Sun

Moon

Gravity

Stars

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What are the west to east winds that circle the globe used by weather forecasters and airlines?

Convection Currents

Land Breezes

Polar easterlies

Jet streams

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