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Across
  1. 3. zone an area of almost stagnant water sitting between the rising currents caused by the rough topography and geothermal heat sources below 2.5 km and the shallower wind driven currents closer to the surface.
  2. 4. first layer
  3. 5. crust varies in thickness between 6 and 43 miles (25 and 70km).
  4. 9. makes up 84% of Earth's volume.
  5. 10. Field are surrounded by an invisible magnetic field.
Down
  1. 1. Currents is heat transfer through the movement of liquids or gases
  2. 2. between 700° and 1,300° Celsius (1,292° and 2,372° Fahrenheit).
  3. 6. Crust . It's thinner, denser, and simpler in structure than the continental crust.
  4. 7. Layers The very center of the Earth is the core, which is mostly iron and nickel. The inner core is solid and measures 1,516 miles in diameter.
  5. 8. Waves They are waves of energy that travel through the Earth, both on the surface and through it.