Layers of the Earth Crossword

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