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1 Rock that is made from other materials like sand or shells.
2 Rock that has been changed over time by heat or pressure, used to be igneous or sedimentary.
3 Molten or magma rocks that cool quickly while underground.
4 When water, ice, or wind deposits the rock or earth material.
5 The breaking down of rocks and minerals from wind, acids, salt, water, or temperature.
6 The study of crystal structure, chemistry, and the properties of minerals.
7 A scale used to measure the hardness of minerals.
8 Matter that is deposited as a layer of solid particles on the bottom of a body of water.
9 A naturally occurring inorganic substance with a chemical composition that has been formed by geological processes.
10 A sharp division or split.
11 Water, ice, or wind transplants pieces of rock or minerals.
12 The color of the mineral's powder.
13 The compactness of a substance. (mass/volume)
14 The way light interacts with the surface of a mineral, crystal, or rock.
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