Layers of the Earth Crossword

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Across
  1. 2. caused by earthquakes and it is used to figure out things about the layer of the Earth
  2. 6. the upper layer of Earth's mantle
  3. 9. made of liquid iron and nickel, the third layer of Earth
  4. 10. consists of the upper mantle and the crust
Down
  1. 1. the hottest layer of Earth
  2. 3. the thickest layer on earth, made of mostly magma
  3. 4. lava within Earth
  4. 5. the heat causing rocks to rise and fall
  5. 7. the thinnest layer of Earth
  6. 8. the planet we live on