Front

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

Back

Protons

Front

If two charges repel each other, the two charges must be:

Back

negative and negative

Front

An object becomes charged when the atoms in the object gain or lose: electrons, protons, neutrons, all of the above

Back

electrons

Front

If you rub a glass rod with a piece of silk, the rod becomes positively charged. What happens to the silk?

Back

The silk has become negatively charged.

Front

What happens when a charged object is brought near an electrically neutral surface without touching it?

Back

Induction

Front

Objects that have opposite charges

Back

are attracted to each other, and the force between the objects pulls them together.

Front

Charging by ____ occurs when electrons are transferred from one object to another by direct contact.

Back

conduction

Front

What will happen when two balloons rubbed with wool are brought near each other?

Back

The balloons will repel each other.

Front

Bending water with a charged balloon is an example of what type of charging (charging an object without touching)?

Back

induction

Front

Electrical charge built up on the surface of an object is called _________________

Back

static electricity