1. An Introduction to Matter Describing Matter Chapter 1 Section 1

2. Matter Anything that… –has mass –takes up space Air Plastic Metal Wood Glass Paper Cloth Foam Ceramic

3. Chemistry Study of the properties of matter and how matter changes

4. Substance A single kind of matter that is pure It has… –A specific composition –Specific properties

5. Types of Matter Mixtures –Consists of 2 or more substances Sand Solutions –Salt water –Lemonade Pure Substances –Made up of only 1 kind of matter Compounds –NaCl »Salt –H 2 O »Water –C 6 H 12 O 6 »Glucose (sugar) Elements –Can not be broken down any smaller –Pt »Platinum –Au »Gold –Ag »Silver

6. Mixtures Homogeneous Mixture –Consistent throughout Sugar –Solutions Air –N 2, 78% –O 2, 21% Heterogeneous Mixture –Not consistent Sand Salad

7. States of Matter Solid –Ice cube Liquid –Water Gas –Water vapor Plasma –sun

8. Properties of Matter Hardness –Hard/Soft Texture –Rough/Smooth Shape Temperature –Hot/Cold Flammability Size Color State –Liquid/Solid/Gas

9. Boiling Point Celsius –100 o C Fahrenheit –212 o F Liquid  Gas

10. Melting Point Celsius –0 o C Fahrenheit –32 o F Solid  Liquid

11. What Makes Seawater Undrinkable? Too much salt –(NaCl, Sodium chloride) Your body become dehydrated

12. Agrochemicals Chemicals made from crops instead of petrochemicals from petroleum