Front

What is the charge of an electron?

Back

Negative.

Front

What happens when two like charges interact?

Back

They repel each other.

Front

Why does a plastic strip become positively charged when rubbed with cotton?

Back

The plastic strip loses electrons to the cotton during the charging process.

Front

What occurs after a balloon is rubbed against wool?

Back

The balloon and wool attract each other because they have opposite charges.

Front

Why does a balloon stick to a wall after being rubbed against hair?

Back

Due to electrostatic forces between the particles of the balloon and the particles of the wall.

Front

What is electrostatics?

Back

The study of electric charges at rest.

Front

What is the principle of conservation of charge?

Back

Charge can neither be created nor destroyed; it can only be transferred from one object to another.

Front

What is an insulator?

Back

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

Front

What is a conductor?

Back

A material that allows electric charges to flow freely.

Front

What is the difference between positive and negative charges?

Back

Positive charges are associated with protons, while negative charges are associated with electrons.