Temperature, Thermal Energy, Heat

Which of these choices best describes the thermal energy of a substance?

• average kinetic energy of particles

• sum of kinetic energy (KE) and potential energy (PE) of particles of material

• difference between kinetic energy (KE) and potential energy (PE) of material

Tags

NGSS.MS-PS3-3

Two beakers of different sizes have the same temperature water. Which has more thermal energy?

• they have the same thermal energy

• they don't have thermal energy

• the beaker with more water

• the beaker with less water

How is temperature related to heat?

• Heat causes a change in temperature

• Temperature is a measure of the heat of an object

• Raising the temperature causes the heat to increase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the definition of heat?

• Change of temperature of a substance

• Energy transferred between things at different temperatures

• Total thermal energy of an object

• Average kinetic energy of particles

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

When do hot objects begin to cool?

• when cool air is transferred to the object

• when thermal energy becomes less than its kinetic energy

• when thermal energy in the object is transferred to the surrounding air

• when thermal energy around it becomes higher than that of the object

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When is thermal energy transferred between objects?

• when they have equal temperatures

• when they have different temperatures

• it does not transfer at all

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Iced coffee has ______ thermal energy than hot coffee of the same size.

• more

• less

• the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to thermal energy when you increase the object's temperature?

• Decreases

• Increases

• Remains the same

• None of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

An object's temperature can be increased without changing the thermal energy.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4