1. Any ability to produce a change in the composition of matter
Chemical Properties
Any ability to produce a change in the composition of matter

2. Flammability
A material’s ability to burn in the presence of oxygen (O2)

3. Reactivity
How a substance combines with other substances

4. Chemical Change
A substance reacts and forms one or more new substances
Examples: cake baking, apple rotting, food being digested

5. Signs of a chemical change
Change in color
Production of a gas
Formation of a precipitate
Production of heat or cold

6. Signs of a chemical change
Fizzing and foaming
Sound or light given off
Change in odor

7. Physical Change
Some of the properties change but the substances stay the same
Some physical changes can be reversed, some cannot
Examples: butter melting, slicing a tomato, getting your hair cut, melting ice

8. Chemical change vs. Physical change
Chemical change: the type of matter that makes up the object and the way that the matter is arranged in the object changes
Physical change: the composition remains the same