Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to pass through it easily.

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to flow through it easily.

Front

What is an electrical circuit?

Back

An electrical circuit is a closed loop that allows electricity to flow from a power source to a device and back.

Front

What does it mean for a circuit to be open?

Back

An open circuit means that the path for electricity is broken, and electricity cannot flow.

Front

What does it mean for a circuit to be closed?

Back

A closed circuit means that the path for electricity is complete, allowing electricity to flow.

Front

What is insulation?

Back

Insulation is a material used to reduce the transfer of heat or electricity.

Front

Give an example of a good insulator.

Back

Styrofoam is a good insulator because it traps air and reduces heat transfer.

Front

What is the role of thermal energy in cooking?

Back

Thermal energy is used in cooking to transfer heat to food, making it hot and ready to eat.