Using Thermal Energy

Is a device that converts electric energy into thermal energy

• thermostat

• Heating appliance

• refrigerator

Is a device that regulates the temperature of a system.

• thermostat

• heating appliance

• bimetallic coil

What causes the bimetallic coil inside a thermostat to expand and contract?

• pressure changes

• metal changes

• temperature changes

In a toaster and a clothes iron, the electrical energy is converted into...

• solar energy

• kinetic energy

• thermal energy

A thermostat contains ___________ that consists of two different metals.

• bimetallic coil

• radiator

• insulator coil

When heating the bimetallic coil, it ...

• expands and curls

• expands and uncurls

• contracts and curls

• contracts and uncurls

Is a device that automatically regulates temperature

• heating appliance

• bimetallic coil

• thermostat