1. Whatsa Matter?
Divide the following 25 items the into three categories below:
toothpaste the ocean batteries gasoline heat
electricity fear saliva paper a dog a star
DNA helium bacteria wind juice peanut butter
democracy a cell atoms sound clouds soil
wisdom car exhaust
Matter
Unsure
Not Matter
1. Discuss what properties the things in the matter category have in common. Make a list. These properties must apply to ALL things that are matter.
2. Come up with a definition for matter. Your list of properties may help you with this task.

2. Matter -Chemistry is the study of matter Matter is…
Textbook Definition
Matter is anything that has mass and volume
Matter is anything of substance in the known universe
Matter is anything that takes up space
Our Definition
Matter is anything that has mass and takes up space
What is the class definition for matter?

3. Matter Matter can take 4 different states, all of which take up space
Solid – definite volume, definite shape
Liquid – definite volume, indefinite shape
Gas – indefinite volume, indefinite shape
Plasma – like a gas with indefinite volume and indefinite shape, used in fluorescent lights
How are solids, liquids, gases, and plasmas different from each other?

4. What is the class definition for energy?
Energy is…
Textbook Definition
The ability of a system to do work or supply heat
Examples: light, heat, electricity
It is different from matter because it doesn’t have mass and doesn’t take up space
How is matter different from energy?
How can we use energy?