Front

In a neutral atom, the number of electrons is equal to the number of _______.

Back

Protons

Front

What is lightning?

Back

A large discharge of static electricity.

Front

What happens to a balloon when it is rubbed against a wool sweater?

Back

The atoms in the balloon gain or lose electrons.

Front

What is one example of a powerful electrical charge?

Back

Lightning.

Front

What charge does an electron have?

Back

Negative (-).

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.

Front

What is the role of electrons in static electricity?

Back

Electrons are the subatomic particles that can be transferred between objects, causing static charge.

Front

What happens when two objects with the same charge come close to each other?

Back

They repel each other.

Front

What happens when two objects with opposite charges come close to each other?

Back

They attract each other.

Front

What is an insulator?

Back

A material that does not allow electric charges to flow freely.