Physical Science Thermal Energy

The transfer of energy by electromagnetic waves is called

• conduction.

• convection.

• radiation.

• insulation.

Tags

NGSS.MS-PS4-2

Even though the water in a filled bathtub may be at the same temperature as water in a teacup, the water in the bathtub has more ____________________ because it contains a greater number of water molecules.

Tags

NGSS.MS-PS1-4

Heated air moves from baseboard heaters to the rest of a room in a process called

• conduction.

• convection.

• radiation.

• insulation.

Joints in train tracks are designed with extra space to allow for __________________ in hot weather.

A student lists three temperature measurements: 100°F, 100°C, and 100 K. Of the three measurements, 100 K is the highest temperature.

• True

• False, 100^oF

• False, 100^oC

• False, none of them

The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its __________.

• specific heat.

• melting point.

• heat transfer.

• change of state.

Tags

NGSS.MS-PS3-4

Which beaker contains water with the most thermal energy?

• Beaker A

• Beaker B

• Beaker C

• None of them

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the role of density in the formation of convection currents.

• Warm air sinks, cold air rises.

• Cold air sinks, warm air sinks.

• Warm air rises, cold air rises.

• Warm air rises, cold air sinks.

Tags

NGSS.MS-ESS2-6

No more energy can be removed from matter at

• its freezing point.

• absolute zero.

• 0ºC.

• 273 K.

Tags

NGSS.MS-PS1-4

Trapped air is a good conductor because it reduces heat transfer.

• True.

• False, prevents

• False, insulator

• False, transmitter