Rocks

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Across
  1. 4. Igneous rock that forms from lava o Earth's surface.
  2. 6. A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
  3. 7. The force exerted on a surface divided by the total area over which the force is exerted.
  4. 9. The molten mixture of rock-forming substances, gases, and water from the mantle.
  5. 10. Liquid magma that reaches the surface; also, the rock formed when liquid lava hardens.
Down
  1. 1. A type of rock that forms from the cooling of molten rock at or below the surface.
  2. 2. The transfer of thermal energy from one object to another because of a difference in temperature.
  3. 3. A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together.
  4. 5. Igneous rock that forms when magma hardens beneath Earth's surface.
  5. 8. The solid mineral material forming part of the surface of the earth and other similar planets.