CHEMISTRY AND

MATTER

I. Terms

 Chemistry is the study of matter and the changes it undergoes during chemical reactions.

I. Terms

 Matter is anything that has mass and volume.

 Mass is a quality that gives objects weight in gravity.

 Volume is when something takes up space.

I. Terms

 Deep Thought  Which of the following examples is NOT

matter? Explain why you made your choice.

II. States of Matter

 A state of matter is one of the distinct forms that matter can take.

 Defined by definiteness of volume and shape.

 Definite means having explicit limits.

II. States of Matter

 Solids have definite volume and definite shape.

II. States of Matter

 Solids can be  Crystalline, or Amorphous

II. States of Matter

 Liquids have definite volume and indefinite shape.

 Take the shape of containers.

II. States of Matter

 Gases have indefinite volume and indefinite shape.

 Expand to fill their containers.