Frage | Antworten |
Give an example of Sedimentary Rocks | Sandstone Mudstone |
Give an example of Igneous Rock | Basalt-Extrusive Granite-Intruisve |
What happens during compaction in a Sedimentary Rock? | Water is squeezed out from between the grains in a sediment. |
Are Sedimentary Rocks porous or not porous? | Porous |
Igneous rocks are formed... (Finish off sentence) | when molten rock cools. |
Igneous rocks are made up of what? | Interlocking crystals. |
Igneous Rocks If cooling is fast are the crystals big or small? | Small |
Igneous Rocks If cooling is slow are the crystals big or small? | Big |
Give an example of metamorphic rock | Slate Marble Schist |
metamorphic rocks are formed the action of what two things? | Heat and pressure (on existing rocks over long periods of time) |
Earths Movements push all types of rock where? | Deep Underground. |
(Metamorphic Rock) What happens to the rock deep underground? | It is compressed and heated, (The mineral structure and texture may change) |
(Metamorphic Rock) If the rock melts what happens? | It turns into magma and is gone. The magma may resurface as igneous rock. |
What does metamorphism mean? | Changing Form |
Give two examples of physical weathering. | Freeze-thaw Exfoliation |
What is physical weathering caused by? | The effects of changing temperature on rocks,.(This causes them to break apart) |
chemical weathering is caused by what? | Rain water reacting with mineral grains in a roc to from new minerals and soluble salts. |
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