1. Properties of Matter

2. Lab: Properties of Legos
Get your prelab write up checked before performing the lab.
After performing the lab, write your group’s average on the board.

3. What does the data say? What does the data mean?
Post Lab Discussion
What does the data say? What does the data mean?

4. Post Lab Discussion
What does the data say? What does the data mean? Some properties will never change regardless of how much matter there is, and these properties are called intensive properties.

5. Post Lab Discussion
What does the data say? What does the data mean? Some properties depend on the amount of matter there is, and these properties are called extensive properties.

6. The Other Properties…
A physical property is a property that can be observed or measured without changing the identity of a substance.
A chemical property is a substance’s ability to undergo changes that transforms it into a different substance.

7. Using the lab, what physical and/or chemical properties can you tell me about the Legos and the water?

8. The Changes
Physical Changes
Chemical Changes

9. Let’s Practice Butter melts on warm toast. Gasoline is set on fire.
Milk goes sour.
Rust forms on a bike left outside.
Rubbing alcohol evaporates in your hand.
Your body digesting food.
You fry an egg.
Molding a sculpture from clay.

10. element volume pure substance mass compound Matter homogenous mixture
can be classified as
depends on
which are
has
do not depend on
like
and
undergo
element
volume
pure substance
mass
compound
homogenous
mixture
heterogeneous