Chapter 9- Rocks Flashcards
1
Q
Minerals
A
Substances that make up rocks.
2
Q
Lithosphere
A
the crust and upper mantle of the earth.
3
Q
Magma
A
Molten material beneath or within the earths crust, from which igneous rock is formed.
4
Q
Sediments
A
Material broken down by weathering and erosion that is moved by wind or water and collect in layers
5
Q
Native elements
A
Elements found uncombined in the Earth’s crust.
6
Q
Crystals
A
A small piece of substance that has many sides and is formed when the substance turns into a solid.
7
Q
Lustre
A
Appearance of a mineral caused by the way it reflects.
8
Q
Streak
A
Colour of a mineral as a fine powder, found by rubbing it onto an unglazed white ceramic tile.
9
Q
Hardness
A
A measure of how difficult it is to surface of a solid material.
