Chapter 9 Rocks Flashcards
1
Q
Minerals
A
Substance that makes up rocks
2
Q
Lithosphere
A
The outer layer of earth includes
3
Q
Magma
A
A very hot mix of molten rock and gases
4
Q
Sediments
A
Materials Brocken down by weathering and erosion
5
Q
Lustre
A
appearance of a mineral caused by the way it reflects light.
6
Q
Streak
A
colour of a mineral as a fine powder
7
Q
Native elements
A
elements found uncombined in the Earth’s crust
8
Q
Crystals
A
substance made up of atoms and molecules arranged in one of seven different shapes.
9
Q
Hardness
A
How easy it is to scratch a rock or mineral
