Rocks and Minerals

Solid material made of one or more minerals

• Color

• Rock

• Luster

• Hardness

Solid material that is made naturally, has its own chemical makeup (unlike any other rocks or minerals), and helps to form rocks

• Minerals

• Rocks

• Mohs Hardness Scale

• Hardness

Characteristics about a material that you can see or touch (we have been studying four!)

• Color

• Texture

• Physical attributes

• Luster

To GROUP things that are similar

• Clean

• Classify

• Physical attributes

• Color

The shade that we see

• Color

• Luster

• Hardness

• Mohs Hardness Scale

How something feels or looks (rough, smooth, flaky, glassy...)

• Mineral

• Rock

• Texture

• Luster

How rocks and minerals reflect light

• Brightness

• Hardness

• Luster

• Texture

how easily a rock or mineral can be scratched

• Hardness

• Mohs Hardness Scale

• Texture

• Classify

the tool/scale that is used to scratch test rocks or minerals and find out how hard they are

• Hardness

• Texture

• Hammer

• Mohs Hardness Scale

Metallic means

• The rock or mineral is shiny when light hits it

• The rock or mineral is not shiny and seems dull