Types of Rocks

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Across
  1. 2. A type of sedimentary Rock made when organic sediment such as dead plant matter or shells collect in one place and are compacted
  2. 3. A type of sedimentary rock made when chemicals such as salt are dissolved out of other rocks and deposited in one place and are compacted
  3. 7. Forms when molten rock cools and solidifies either inside the Earth or at the surface
  4. 9. Forms when rock is transformed by heat and enormous pressure inside the Earth
Down
  1. 1. A type of igneous rock that forms when molten rock cools quickly at the surface of the Earth
  2. 3. A type of sedimentary rock made of pieces of other rocks
  3. 4. A type of igneous rock that forms when molten rock cools slowly inside the Earth
  4. 5. Metamorphic rock that does not contain minerals that tend to line up in ribbon like layers
  5. 6. Ribbon like layers in metamorphic rock where different types of minerals where compressed together under great heat and pressure
  6. 8. Forms when sediment collects and compacts under the weight of the upper layers