1. Matter and Change
Chapter 1

2. Matter Anything that has mass or takes up space Measuring matter
Mass- is the amount of matter

3. Building blocks of matter
Atom- the smallest unit of matter
Substances
Element- cannot be broken down
Compound- made up of two or more elements

4. Properties of Matter
Physical properties- can be observed or measured without changing the substance
Chemical properties- the ability for the substance to undergo change

5. Changing Matter
Physical change- does not change what the substance is made of
States of matter
Chemical change- forms a new substance
Color change
Gas formation
Form Precipitant
Temperature change

6. Chemical Change/Reaction
Reactants  Products Example: H2 + O2  H2O

7. Mixing Matter A mixture is a blend of two or more kinds of matter.
The two substances keep the same chemical identity/properties

8. Types of Mixtures Homogeneous- Same throughout
Heterogeneous- not the same throughout

9. The difference between substances and mixtures
Substances are a fixed ratio of elements
Every sample of the substance is exactly the same
Mixtures can have any amount of each substance