Rocks and Minerals Flashcards
1
Q
Minerals
A
make up Earth’s rocks, sands, and soils. They are found on Earth’s surface as well as deep underground. Minerals are inorganic substances, meaning that they do not come from an animal or a plant.
2
Q
Lithosphere
A
This is the outermost layer of the Earth
3
Q
Magma
A
A very hot molten rocks and gases
4
Q
Sediments
A
Materials broken down by weathering and erosion
5
Q
Native Elements
A
Elements found uncombined in Earth’s crust
6
Q
Crystals
A
Geometrical regular form with symmetrical arranged plane faces
7
Q
Lustre
A
Appearance of a mineral by the way it reflects on light
8
Q
Streak
A
Colour of minerals as a fine powder
9
Q
Hardness
A
A measure of how difficult it is to scratch the surface of a solid material
