Minerals and Rocks

1
Minerals and Rocks

• What do we know?

2
luster

• How a mineral shines
• The reflection
• How glossy it is
• How shiny it is
• What is it?

3
cleavage

• How a mineral splits
• How it breaks apart
• Cubes or flat planes
• What is it?

4
hardness

• Easily scratched
• Mohs Scale
• How tough it is
• What is it?

5
streak

• Powder of a mineral
• Color of its powder
• What is it?

6
igneous rocks

• Melted or molten
• Deep within Earth
• Cool then harden
• Volcano Rocks
• What is it?

7
metamorphic rocks

• Existing rocks that change
• Heat, pressure, chemicals
• Transformer rocks
• Were once igneous
• Were once sedimentary
• What is it?

8
sedimentary rocks

• Sand particles of rock
• Bits of soil
• Bits of rocks
• Once living things
• Cemented together
• What is it?