Chapter 12-Heat Test

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

• conduction
• convection
• radiation

What is thermal energy?

• The energy of particles that stand still.

• The energy of particles that move up, then down

• The energy of moving particles

What are the two scales for measuring temperature?

• Hot and Cold

• Celsius and Farenheit

• 100 degrees and 200 degrees

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 waves.
• 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.
• Heat traveling from the sun

Temperature measures:

• How good or bad something is

• How hot or cold something is

• How soft or hard something is

A material that resists the flow of heat is called an _____

• Insulator

• Conductor

Thermal energy ALWAYS moves from _____ to _____.

• solid to liquid
• ice to water
• hot to cold
• solid to gas

Heat is the movement of ______.

• radiation
• thermal energy
• cold
• fire

The way heat moves in liquids and gases is called _______.

• convection
• radiation
• conduction
• temperature