8th grade Natural Forces Review

Front

What is the transfer of electricity in a motor?

Back

Electrical to mechanical

Front

What happens when two magnets are brought close together?

Back

They will attract.

Front

If Earth's mass was cut in half, what would happen to your weight?

Back

Decrease because gravitational force decreases.

Front

What device produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet?

Back

Generator

Front

As the distance between two objects increases, what happens to the pull of gravity?

Back

Decreases.

Front

What is gravity?

Back

A force that attracts two bodies toward each other.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed.

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

What is potential energy?

Back

The stored energy of an object due to its position or state.