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Convection Currents

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Convection Currents
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Warm air is __________ dense than cold air and rises creating convection currents.

more

less

Tags

NGSS.MS-ESS2-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Near the ceiling of a room the air is warmer.  The warm air rises because of

conduction

convection

radiation

Tags

NGSS.MS-ESS2-6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Why does warm air rise?

Warm air is more dense than cooler air.

Warm air has more pressure than cooler air.

Warm air is less dense than cooler air.

Warm air has a higher dew point than cooler air.

Tags

NGSS.MS-PS1-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Warm air rising creates an area of.....

High Pressure

Low Pressure

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Transfer of thermal energy caused by the rising of hotter less dense fluids and the sinking of cooler more dense fluids:

convection

conduction

radiation

density

Tags

NGSS.MS-ESS2-5

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The plates of the crust move because...

volcanoes erupt violently.

of the weight of the oceans.

of convection currents in the mantle.

of the moon's gravity.

Tags

NGSS.MS-ESS2-3

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Soup molecules moving and heating up on the stove is an example of...

conduction.

convection.

radiation.

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