Heat and Electricity Revision

As heat increases, temperature...

• decreases

• remains constant

• increases

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

The three types of heat transfer are

• Conduction, convection, radiation

• Conduction, static, radiation

• Fire, the Sun, hot water

• Convection, electric current, radiation

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NGSS.MS-PS1-4

Conduction is heat transferred by direct contact.

• True

• False

What is an example of a naturally occurring convection current?

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-6

Compare the way heat moves in solids versus in liquids. (1 similarity and 1 difference)

Answer explanation

In both solids and liquids, as heat increases, so does the kinetic energy of particles.

Difference: liquids move position to create convection currents, where as solids vibrate on the spot.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Draw a convection current in this beaker of water.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Heat always moves from an object of higher temperature to _______ temperature.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Charges that are different (i.e. negative and positive) will

• Repel each other

• Attract each other

• Do neither

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An ammeter measures

_______ are poor conductors of heat.

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NGSS.MS-PS3-3