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Rocks and Minerals
Unit Test
| Question | Answer |
|---|---|
| A pure, sold, non-living material found in the Earth's crust | mineral |
| Made of a combination of minerals | rock |
| A scientist who studies rocks | geologist |
| The way a mineral breaks along flat surfaces | cleavage |
| The colored line that is left when a mineral is rubbed on a tile | streak |
| The way an object feels | texture |
| The way that a mineral reflects light | luster |
| How easily minerals can be scratched | hardness |
| A rock made from layers of sand, mud, clay, pieces of older rocks, and the remains of dead plants and animals | sedimentary rock |
| Rocks that have been changed from one rock to another because of heat and pressure | metamorphic rock |
| Rocks that are formed from magma or lava | igneous rock |
| The outermost layer of the earth where we find most rocks and minerals | crust |
| Where would you find a rock that had seashell imprints on it? | sedimentary rock near the ocean |
| What property would make a mineral a good cutting tool? | hardness because a mineral that is hard can cut through softer materials |
| What material is in a frying pan? | iron |
| What are some counter tops made of? | marble |
| What material is in a laptop computer? | silica |
| What material does powder have in it? | talc |