Unit 2 Heat Transfer Extra Credit Review 2

Hot water rising and cool water sinking is an example of what type of heat transfer?

• conduction

• convection

• radiation

The heat lamp shown in the picture is keep the food warm using what type of heat transfer?

• conduction

• convection

• radiation

You buy a lava lamp from the store. As the lamp heats up, blobs of liquid rise to the top then sink back down to the bottom. This process continues because of

• convection

• conduction

• radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

You are stirring a bowl of hot soup with a metal spoon. The spoon starts to feel warmer because of

• radiation

• convection

• conduction

You are in science class and want to see if the hot plates were used recently. You place your hand over the hot plate. Without touching the hot plate, your hand feels warmer. Heat is transferred to your hand by

• radiation

• conduction

• convection

Snow melting in the sun is an example of

• radiation

• convection

• conduction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What happens as water boils in a pot? Select 2 answers?

• cool water contracts and sinks to the bottom

• cool water expands and rises to the top

• hot water expands and rises to the top

• hot water contracts and sinks to the bottom

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermal energy will ALWAYS move from

• warmer object to a cooler object

• cooler object to a warmer object

• thermal energy does not move at all

• thermal energy is a type of potential energy

Tags

NGSS.MS-PS3-3

Eggs cooking in a frying pan is an example of what type of heat transfer?

• radiation

• conduction

• convection

Tags

NGSS.MS-PS3-3

Transfer of heat through direct contact is called

• radiation

• convection

• conduction