2. streak rock A. The color of a mineral when it is ground to a powder B. a solid material made up of one or more materials

3. Sedimentary igneous metamorphic A. Rock that forms when melted, or molten rock from deep below Earth’s surface cools and hardens B. rock that forms when sand, particles of rock, bits of soil, and bits of once-living things are pressed together and harden into layers. C. new rock that forms when existing rokcs are changed by heat or pressure or both

4. Cleavage hardness luster A. A measure of how easily a mineral can be scratched B. the tendency of a mineral to split easily along flat surfaces C. the way a mineral shines, or reflects light

5. sediment rock cycle nonmetallic mineral A. A mineral that is dull or glassy B. the continuous series of changes that rocks undergo C. sand, particles of rock, bits of soil, and remains of once-living things

6. metallic mineral mineral A. A non living solid material that has a definite chemical makeup and is found in Earth’s outermost layer B. a mineral that is shiny like metal

7. Weathering is the breaking down of rock over a long period of time by___________________. A. Water B. Wind C. Ice D. All of the above

8. ______is a new rock that forms with existing rocks are changed by heat, pressure, or chemical beneath Earth’s surface. A. igneous B. metamorphic C. sedimentary

9. _____rock forms when sand, particles of rock, bits of soil, and bits of once-living things are pressed together and harden. A. igneous B. metamorphic C. sedimentary

10. ______rock forms when melted, or molten rock (magma) cools and hardens. A. igneous B. metamorphic C. sedimentary

11. ______is a solid material made up of one or more minerals. A. mineral B. streak C. rock

12. A mineral is a nonliving solid material found in Earth’s ______layer. A. outermost B. innermost

13. A nonmetallic mineral looks _______. A. shiny B. dull

14. Cleavage is a property that describes how a mineral ______along flat surfaces. A. splits B. rolls C. flips

15. Mohs Hardness Scale organizes minerals from ___. A. smallest to biggest B. shortest to tallest C. softest to hardest

16. Luster describes the _____of a mineral. A. hardness B. shininess C. size