1. Chapter 7
Rocks and Minerals

2. Minerals vs. Rocks
Mineral: Natural, solid substance that has a specific chemical composition and physical structure
5 ways to classify MINERALS:
Streak
Fluorescence
Crystal Structure
Cleavage
Hardness

3. Mineral Classification
Streak: Color of the powder left behind when a mineral is rubbed
Fluorescence: Glows under UltraViolet Light
Crystal Structure: Atom arrangement in a specific shape
Cleavage: Direction of a break in a mineral
Hardness: Mohs Hardness Scale

4. Minerals vs. Rocks Rocks: a solid formation of minerals 3 Major Types:
Igneous Rock
Sedimentary Rock
Metamorphic Rock

5. Igneous Rock Igneous rock forms when melted rock hardens 2 Types:
Intrusive: Cools Inside Earth
Extrusive: Cools Outside Earth

6. Sedimentary Rock
Sedimentary Rock is formed when layers of sediments bind together.

7. Metamorphic Rock
Metamorphic Rock is formed when extreme heat and pressure change igneous, sedimentary, or other metamorphic rocks.

8. ROCKS AND MINERALS!

9. Rock Cycle