Question

1. used to compare the hardness of minerals
2. a measure of density for accurate identification of a mineral
3. another word for nonliving
4. minerals that break randomly
5. the color of a mineral when it is broken up and powdered
6. when a mineral splits relatively easily and evenly along one or more flat planes
7. geometric solid having four sides that are equilateral triangles, resembling a pyramid
8. composed of oxygen and a metal

Explanation:

1. Mohs scale is used to compare mineral hardness.
2. Specific - gravity is a density measure for mineral identification.
3. Inorganic is another word for non - living.
4. Minerals that break randomly exhibit fracture.
5. Streak is the color of a powdered mineral.
6. Cleavage is when a mineral splits easily along flat planes.
7. A tetrahedron is a geometric solid with four equilateral - triangle sides.
8. Oxide is composed of oxygen and a metal.

Answer:

1. Mohs scale
2. Specific gravity
3. Inorganic
4. Fracture
5. Streak
6. Cleavage
7. Tetrahedron
8. Oxide