9.2

Question 1

rocks that form a type of rock

Answer 1

mineral

Question 2

the outermost layer of the Earth, includes the crust and uppermost part of the mantle

Answer 2

lithosphere

Question 3

a very hot mixture of molten rock and gases, just below the Earth’s surface, that has come from the mantle

Answer 3

magma

Question 4

material broken down by erosion that is moved by wind or water and collects in layers

Answer 4

sediments

Question 5

elements found uncombined in the Earth’s crust

Answer 5

native elements

Question 6

geometrically-shaped substance made up of atoms and molecules arranged in one of seven different shapes.

Answer 6

crystals

Question 7

appearance of a mineral caused by the way it reflects light. A mineral can appear glassy, waxy, metallic, dull, pearly, silky or brilliant.

Answer 7

luster

Question 8

a color of a mineral

Answer 8

streak

Question 9

a measure of how hard i is to break or even scratch the rock

Answer 9

hardness