Across
- 1. largest layer making up 84% of Earth's total volume. made up of hot dense iron and magnesium rich solid rock
- 4. outside and thinnest layer of the Earth where we live
- 8. made up of liquid iron and nickel and responsible for the Earth's magnetic field
- 9. long narrow depressions on the seafloor that form where ocean plates push or subducts beneath the continental plates
- 10. thinner than the continental and is covered by seas and oceans
Down
- 2. below the lithosphere and is soft and fluid layer and plays an important role in the movement of tectonic plates
- 3. brittle crust and top part of the upper mantle making up the coolest and most rigid part of Earth
- 5. huge chains of mountains circling the ocean floor formed by volcanic eruptions
- 6. ball shaped centermost layer of the Earth. Solid iron and nickel, densest layer
- 7. layer where most earthquakes happen