1. Describing Matter
Properties of Matter

2. Matter: Anything that has mass and volume

3. Substance: is a single kind of matter that is pure, meaning it has a specific make-up or composition

4. Are these substances?

5. Chemistry is the study of matter and how it changes

6. All matter has chemical and physical properties

7. Physical Properties of Matter
 Physical Property: Is a characteristic of a pure substance that can be observed without changing it into another substance

8. Freezing, hardness, texture, color, flexibility, solid, liquid, gas, dissolves, luster, malleable, ductile

9. Physical properties can be used to classify matter

10. Example: Gold

11. Chemical Properties of Matter
Chemical Property: Is a characteristic of a pure substance that describes its ability to change into different substances

12. Flammability, Reactivity, Rusting

13. Methane Gas: The gas can catch in fire and burn in air, when it burns, it combines with O2 in the air and forms water and carbon dioxide.

14. To observe chemical properties, you must change it to another substance

15. Again are used to classify matter