Heat Transfer and Cool it

Cold Pack on Person

• Heat is transferred from the cold pack to the person.

• Heat is transferred from the person to the cold pack

• The cold pack is getting colder. The person is getting warmer.

If I want two things to stay different temperatures from each other, I need to:

• Maximize heat Transfer

• Minimize heat transfer

• Make them touch a lot

• Blow on both with a fan

Hot coffee is stirred with a spoon; the spoon gets hot due to

• conduction
• convection
• radiation

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Walking on the warm sand sand with your bare feet.

• conduction
• convection
• radiation

Wood, straw, and wool are materials that are good __________________.

• insulators
• conductors
• reflectors
• generators

The cause of ocean currents 

• Conduction 
• Convection 
• Radiation 
• Conversion 

A house burns down. The vinyl siding of the house next door warps due to

• conduction
• convection
• radiation

Which best describes the process of convection?

• Convection is the primary way  heat travels  through rays.
• Convection is the primary way heat travels  through metals.
• Convection is the primary way heat travels  through appliances.
• Convection is the primary way heat travels  through liquids and gasses.

The sun shines down on this family as the play on the beach.

• conduction
• convection
• radiation