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7H Rocks
All about rocks
| Question | Answer |
|---|---|
| What's the name of a scientist who studies rocks? | It's called a geologist. |
| Rocks are made of different what that fits together? | It is called grains. |
| Each grain is made of how many chemcal? | Each grain is made of one chemicle. |
| The chemicles in rocks are called what? | It is called minerals. |
| What is a mixture? | Two or more diferent kind of minerals that are not chemically joined to each other. |
| The combination of size and shapes of grains is called what? | It is called texture. |
| What is it called when the grains of the rock are all fit together? | It is called interlocking. |
| What is interlocking grais sometimes called? | It is called crystal. |
| Rocks made of interlocking grains are often hard or breakable? | It is often hard. |
| What rock is made of molten rock being cool down? | It is called igneous rock. |
| What rock is form when existing rock are heated and squashed? | It is called metamorphic rock. |
| What rock is form when tiny grains of existing rock became stuck together? | It is called sedimentary rock. |
| What two type of rocks are interlocking? | They are igneous and metamorphic rock. |
| Rocks made of rounded grains can absorb water because it can get into the what between the grains? | It absorbs water get in between the rock. |
| What is porous? | Rocks that have tiny holes in them. |
| What is called when water can run though the rock? | It is called permeable. |
| Rocks can be what when you slice them thinly enough? | It can be transparent. |
| What is chemicle reaction? | A reaction which new substances are made. |
| Limestone and chalk are weathered easily or difficult when rain water react with them? | They react easily whe rain water react with them. |
| Rain contains dissolved gasses from air that make it sligtly what? | Which make it slightly acidic. |
| What is physical changes? | A change that does not involve new chemicle being made. |
| When it is hot, the minerals in rocks will what? | It will expand. |
| When it is cold, the minerals in rocks will what? | It will contract. |
| What is it called when rocks are worn away or broken up by physical processes. | It is called physical weathering. |
| What is a freeze-thaw action? | When water get into a crack in a rock and freezes. The freezing water expand and makes the crack bigger. |
Created by:
kpham2
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