Layers of the Earth

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Across
  1. 3. the layer of the Earth that accounts for almost 1/2 of the planet
  2. 6. the outer core and the ____ are cooler on the top than the bottom
  3. 7. the continental crust is made up primarily of _____
  4. 8. the inner and outer _______ are rarely referred to as one
  5. 10. the thinnest layer of the Earth (2 words)
  6. 11. the oceanic and continental ____ are often referred as one layer
  7. 13. there are four distinct ___ of the Earth
  8. 14. the iron in the outer core is in ____ form
  9. 15. core this layer is responsible for the Earth's magnetic field
Down
  1. 1. the thickness and the depth of the Earth are measured in
  2. 2. the core at the center of Earth is called
  3. 4. the Earth's surface is 70% water
  4. 5. the hottest layer of the Earth (2 words)
  5. 8. the coolest layer of the Earth (2words)
  6. 9. the iron in the inner core is in ___ form
  7. 12. the mantle of the Earth accounts for almost ____ of the planet's mass