Thermal Energy Pre-Test

Which is not a heat transfer?

• Convention

• Conduction

• Convection

• Radiation

An energy transformation takes place when energy changes from one form into another form. Which is NOT an example of energy transformation in a flashlight?

• Chemical Energy to Electrical Energy

• Electrical Energy to Light

• Electrical Energy to Heat

• Mechanical Energy to Heat

Thermal Energy is measured in joules (J)

• True

• False

Conduction

• transfer of energy as heat from one substance to another through direct contact.

• transfer of energy as heat by the movement of a liquid or gas.

• transfer of energy by electromagnetic waves.

• transfer of energy as heat gets higher

Convection

• transfer of energy as heat from one substance to another through direct contact.

• transfer of energy as heat by the movement of a liquid or gas.

• transfer of energy by electromagnetic waves.

• transfer of energy as heat gets higher.

Radiation

• transfer of energy as heat from one substance to another through direct contact.

• transfer of energy as heat by the movement of a liquid or gas.

• transfer of energy by electromagnetic waves.

• transfer of energy as heat gets higher.

A conductor is a material that transfers heat very well.

• True

• False

Which is a good conductor?

• Plastic

• Metal

• Wood

• Foam

An Insulator is a material that is a poor conductor of heat.

• True

• False

Which is NOT an insulator?

• Plastic foam

• Wood

• Paper

• Metal