Heat Transfer

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.

What is the definition of CONVECTION

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

What is the definition of RADIATION

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

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

What heat transfer happens when you burn your hand by touching a fire?

• Radiation

• Conduction

• Convection

When a pot is touching a stove that is on, what heat transfer is happening?

• Convection

• Radiation

• Conduction

This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

• Conduction.

• Convection.

• Radiation.

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

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

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

• conduction
• convection
• radiation

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

• conduction
• convection
• radiation