Energy and Circuits

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position. It can be seen in moving objects like a rolling ball.

Front

What are the two forms of energy produced by a candle flame?

Back

The two forms of energy produced by a candle flame are thermal energy (heat) and light energy.

Front

What forms of energy are used to cook food in an oven?

Back

The forms of energy used to cook food in an oven are electrical energy (from the power source) and thermal energy (heat).

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow easily through it, such as rubber or glass.

Front

What is the purpose of a switch in a circuit?

Back

A switch is used to open and close a circuit, allowing or stopping the flow of electricity.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that makes things hot.

Front

What is light energy?

Back

Light energy is the energy that is visible to the human eye and is produced by sources like the sun, light bulbs, and candles.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights and appliances.

Front

What is a circuit?

Back

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

Front

What is a power source?

Back

A power source is a device that provides electrical energy, such as a battery or a power outlet.