1. A pure crystalline substance formed naturally in the Earth is known as? a rock a solution a solid a mineral

2. A mixture formed naturally in the Earth is known as? a rock a crystal a mineral a molecule

3. The rock type that forms directly from magma? metamorphic igneous volcanic igneous plutonic sedimentary

4. Glassy pumice would be formed by? cementing of sediments cooling of magma at a moderate rate immediate cooling of lava slow cooling of magma

5. Most sedimentary rocks are a product of? eroding rocks burying rocks melting rocks changing or altering rocks

6. All metamorphic rocks have? layers large minerals small minerals been changed

7. In order for sedimentary rock to become metamorphic rock... the parent rock must have babies the parent rock must be eroded the parent rock must be uplifted to the surface the parent rock must be buried deeper into the earth

8. The main force behind a landslide would be? earthquakes heat pressure gravity

9. The tendency of a mineral to split easily along a flat surface is called? luster cleavage softness fracture

10. The gas given off in the acid test of a carbonate mineral is? carbon dioxide oxygen nitrogen sulfur