Earth’s Layers and Rocks

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Across
  1. 3. Rocks, What type of rock is changed by heat and pressure without melting?
  2. 6. Rocks, what rock cools and solidifies?
  3. 7. All living organisms on Earth
  4. 8. Core, Which layer of Earth is made of liquid metals, mainly iron and nickel?
  5. 9. The layer of gases surrounding Earth, including oxygen and nitrogen
  6. 11. What is the solid, nonliving part of Earth made of rocks, soil, and mountains?
Down
  1. 1. Covers all the water on Earth
  2. 2. What layer of Earth has a thickness of about 2,900 km?
  3. 4. What is the thin, outermost solid layer of Earth where we live?
  4. 5. Rocks, What type of rock is made from layers of sediments?
  5. 6. Core, What part of the core is dense?
  6. 10. How many layers does Earth have?