1. Properties of Matter
Part 2

2. It can be a change in size, shape, mass, volume, color, texture, etc.
Physical Change
A change that happens to a piece of matter that doesn’t change what the matter is.
It can be a change in size, shape, mass, volume, color, texture, etc.

3. Chemical Change
A change that happens to a piece of matter that changes it into a completely different piece of matter.
Iron into Rust
Burning Wood
Fizzing Alka Seltzer

4. pH Indicators: litmus paper, cabbage juice, grape juice.
A substance or item that shows (indicates) that an event has happened or that a property exists.
Indicators of Chemical Change: temperature change, bubbles (gas formation), formation of a new solid.
pH Indicators: litmus paper, cabbage juice, grape juice.

5. Acid
A compound that has a sour taste It has a pH that measures less than 7.

6. Base
A compound that has a bitter taste. They are often slippery to the touch A base has a pH that measures more than 7.

7. A substance that is used during a chemical reaction.
Reactant
A substance that is used during a chemical reaction.

8. A substance that is made during a chemical reaction.
Product
A substance that is made during a chemical reaction.