Physical Science GMAS Review

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances, such as a penny tarnishing.

Front

What happens when you add another battery to a circuit?

Back

The bulb will shine brighter than it did with one battery.

Front

Which metals are attracted to a magnet?

Back

Iron and steel are attracted to a magnet.

Front

What is static electricity?

Back

Static electricity is the build-up of electric charge on the surface of objects, causing them to attract or repel each other.

Front

What is the purpose of a switch in an electric circuit?

Back

The switch is used to open and close the circuit, controlling the flow of electricity.

Front

What is an example of a physical change?

Back

An example of a physical change is water being boiled.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an electric circuit?

Back

An electric circuit is a closed loop that allows electric current to flow, typically consisting of a power source, wires, and a load (like a bulb).

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.

Front

What happens to the light bulb when the circuit is closed?

Back

The light bulb lights up when the circuit is closed.