#12 Heat Transfer

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• low to low

Which direction will the heat flow while this person holds a hot cup of tea?

• from the cup to her hand
• from her hand to the cup
• no heat is transferred
• in both directions

Which direction will the heat flow while this ice cap melts?

• there is no heat transfer
• from the icecap to the water
• from the water to the icecap
• from the air to the water

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.
• The water warms up due to the humidity

Why do we wear sweaters in cold weather?

• To keep cold out.
• To generate heat.
• To reduce heat loss.
• All of the above.

Heat moving by molecules touching is __________.

• Conduction
• Convection
• Radiation
• Evaporation

Conduction occurs in...

• solids
• liquids
• gases

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

The man goes to take the hot pot off the stove with his bare hands.  His hands will burn because of...

• conduction
• convection
• radiation

Walking on the warm sand sand with your bare feet is an example of...

• conduction
• convection
• radiation