This video discusses the states of matter.

This video discusses what atoms are and what they make up.

This video discusses what matter is and what it makes up.

This video discusses solutions and mixtures and the differences between those two.

This video discusses what matter is and what it makes up.

This video discusses the role heat plays in changing states of matter.

Click here to access.

Play until you get them correct each time.  This is one way you can study matter material.