HW 27: Energy: Conservation & Transfer

Conduction is heat transfer by-

• touch
• circles
• waves

Convection is heat transfer by-

• touch
• circles
• waves

Radiation is heat transfer by-

• touch
• circles
• waves

In what direction do hot liquids and gases move?

• side to side
• up 
• down 
• back and forth

In what direction do cold liquids and gases move?

• side to side
• up 
• down
• back and forth

Which is an example of conduction?

• Boiling macaroni
• The attic is warmer than the basement
• The sun heating the earth
• Touching hot sand with your feet

Which is an example of convection?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The sun heating the earth
• Touching hot sand with your feet

Which is an example of radiation?

• Standing on a hot metal bridge
• The attic is warmer than the basement
• The sun heating the earth
• Touching hot sand with your feet

As you touch a hot stove the heat transfers-

• from your hand to the stove
• from the stove to your hand
• It doesn't transfer

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up