Thermal Energy Transfer

When two materials that are in contact have the same temperature, the materials are said to be in thermal __________.

• equilibrium

• transfer

• imbalance

• heat

Heat always moves from...

• warmer objects to cooler objects

• cooler objects to warmer objects

• warmer objects to warmer objects

• cooler objects to cooler objects

Hot water is poured into a mug and the mug gets hot. This is an example of which type of energy transfer?

• radiation

• conduction

• convection

• This is not an energy transfer

Radiation transfers energy by moving matter.

• True

• False

Tags

NGSS.MS-PS3-5

A hot iron is turned off and cools down to room temperature. The iron cools because _____.

• the iron does not hold heat very well

• the room transfers cold energy to the iron

• thermal energy is transferred from the warm iron to the cooler room

• the thermal energy is destroyed during an interaction with the room

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Which type of energy transfer allows the Sun to warm Earth?

• conduction

• convection

• radiation

• transmission

Which type of energy transfer is responsible for the movement of magma in Earth's interior?

• conduction

• convection

• radiation

• melting

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-4

Systems are made of objects that energy flows between.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-3

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Thermal energy moves from a region of lower temperature to a region of higher temperature.

• True

• False

Janey had a bowl of hot soup for lunch. The soup was so hot she decided to put it in the refrigerator for a few minutes to cool it. What happened to cool the soup so Janey could eat it?

• The heat moved from the soup to the cold air in the refrigerator.

• The cold in the refrigerator moved into the hot soup.

• No heat or cold moved out of or into the soup. It just cooled off.

Tags

NGSS.4-PS3-2