5th Grade Science Review

Front

What is the main function of a mirror?

Back

To reflect light.

Front

What happens to salt grains when they dissolve in water?

Back

They get smaller in size until they can no longer be seen.

Front

What is an insulator?

Back

A material that does not conduct heat well.

Front

Which type of energy is produced by a lit candle?

Back

Thermal energy.

Front

What is the purpose of a circuit switch?

Back

To open or close the circuit, allowing or stopping the flow of electricity.

Front

What is thermal energy?

Back

Energy that comes from heat.

Front

What is the difference between electrical energy and mechanical energy?

Back

Electrical energy is the energy of moving electrons, while mechanical energy is the energy of moving objects.

Front

What is an example of a good insulator?

Back

Materials like rubber, glass, or wood.

Front

What is the role of a circuit in electrical systems?

Back

To provide a path for electricity to flow.

Front

What is light energy?

Back

Energy that is visible to the human eye.