Heat Transfer Review

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

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

• conduction
• convection
• radiation

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

• conduction
• convection
• radiation

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

• conduction
• convection
• radiation

How many kinds of heat transfer are there?

• 1
• 2
• 3
• 4 or more

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

You get sunburned due to __________ from the sun.

• conduction
• convection
• radiation

The transfer of heat by currents through liquids of gases is called

• Perspiration
• Radiation
• Conduction
• Convection

A snowball in your hand is what heat transfer?

• Convection

• Conduction

• Law of Conservation of Energy

• Radiation