PS Unit 7 Lessons 1 and 2 Flashcard Review Materials

Front

What is the electric force between two objects with charges +1 and -1?

Back

Both exert the same strength of force.

Front

Why do positive charges repel each other?

Back

They have the same sign.

Front

What effect do magnetic domains have on a material's magnetism?

Back

They align the poles of atoms in the same direction.

Front

Which material is considered ferromagnetic?

Back

Iron.

Front

Which material is not attracted to magnets?

Back

Copper.

Front

What is a charge?

Back

A property of matter that causes it to experience a force when placed in an electromagnetic field.

Front

What are the two types of electric charges?

Back

Positive and negative.

Front

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

Back

They attract each other.

Front

What is magnetism?

Back

A force that can attract or repel certain materials, typically metals.

Front

What is a ferromagnetic material?

Back

A material that can be magnetized and is attracted to magnets.