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Rocks and Minerals
Unit Test: Rocks and Minerals - Fifth Grade Science
| Question | Answer |
|---|---|
| Core | central part of Earth |
| Crystal | mineral shape with flat surfaces and angled sides |
| Fossil | remains or traces of past life preserved in rock |
| Hardness | resistance to being scratched |
| Igneous | rock formed from melted rock that cooled |
| Luster | how a surface reflects light |
| Mantle | layer of Earth below crust |
| Metamorphic | rock that has been changed into new rock by heat or pressure |
| Sedimentary | rock formed from layers of rock, shell, or other particles |
| Weathering | breaking down of rocks to form sediments |
| Rocks are usually ________ | mixtures of minerals |
| What does NOT cause weathering? | cementation |
| What does cause weathering? | water, wind, temperature changes |
| Scientists who study rocks and minerals are called ______ | geologists |
| The Mohs scale is a way to rank the _____ of a mineral | hardness |
| Cubic, hexagonal, and monoclinic are kinds of ______ | crystal shapes |
| Minerals of the same kind always have the same ______ | structure |
| To find the true color of mineral, you would do ______ | a streak test |
| What is a kind of fossil fuel? | coal |
| The constant forming, breaking down, and reforming of rocks is known as _______ | the rock cycle |
| Sandstone, limestone, shale, and chalk are examples of ______ | sedimentary rocks |
| The hardest mineral on Earth is _____ | diamond |