energy transfer

Which is an example of something that transfers heat by radiation?

• the sun

• hot oven

• hot air balloon

• wind currents

Radiation flows through what?

• heat moving  water

• metals touch burner

• heat moving air

• electromagnetic rays moving through space and just about anything

Which is an example of convection?

• light bulb burning

• cooking hot dog over fire

• hot air balloon floating up

• sun's rays

How does heat from thermal energy move?

• move from hot to cold

• moves from cold to hot  

• moves up and never down

• moves from side to side

Which is the best example of conduction?

• hot air blow drying hair

• sun heating up a car

• water boiling on the stove

• ice cube melting in your hand

Which it the best example of radiation?

• heater warming up a room

• melting ice cubes in your hand

• microwave cooking food

• baking cookies in the oven

Which is the best example of convection

• frying eggs in a pan

• melting ice cube in your hand

• microwave cooking food

• boiling water

Which materials would most likely be used to demonstrate convection?

• burner and metal pot

• light bulb turned on

• warm air blowing out from a heater

• magnet and metal object

Jane washed her hair. She dried it with warm air from a blow dryer before going to school. Which statement BEST explains why the blow dryer was able to dry Sandra’s hair quickly?

• The blow dryer used electricity.

• the blow dryer transferred heat

• the blow dryer created sound waves

• the blow dryer used mechanical energy

The area in front of a fire feels warm on a cold evening. What are the processes that cause the person in front of the fire to feel warm?

• conduction and convection

• radiation and conduction

• radiation and convection

• radiation, convection and conduction