Front

What happens to the thermal energy and molecular motion of a hot object when it is placed in a cooler environment?

Back

The thermal energy decreases and the molecules move more slowly.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What type of heat transfer is demonstrated by heat lamps keeping baby chickens warm?

Back

Radiation

Front

What is the main way heat is transferred when using a microwave?

Back

Radiation

Tags

NGSS.MS-PS4-2

Front

Which form of energy causes water to boil?

Back

Thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What type of heat transfer occurs when warm air rises and cool air sinks?

Back

Convection

Front

Define thermal energy.

Back

Thermal energy is the total kinetic energy of the particles in a substance.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Tags

NGSS.MS-PS3-4

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

How does thermal energy affect molecular motion?

Back

As thermal energy increases, molecular motion increases; as thermal energy decreases, molecular motion decreases.

Tags

NGSS.MS-PS1-4