Earth Spheres and the Iinner Structure of Earth

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Across
  1. 4. all living organisms and recently living organisms on Earth
  2. 7. – The thin, outer layer of the Earth where we live, made of solid rock, including continents and ocean floors.
  3. 8. an imaginary pole going right through the center of Earth from "top" to "bottom."
  4. 9. An imaginary line that divides the Earth into the Northern and Southern Hemispheres.
  5. 10. – The thick layer of hot, semi-solid rock between the core and the crust; it moves slowly and drives tectonic plate movement.
  6. 12. a layer of gas surrounding the Earth
Down
  1. 1. – The innermost layer of the Earth, made mostly of iron and nickel, divided into a solid inner core and a liquid outer core.
  2. 2. all water on the surface of Earth
  3. 3. Energy from the Sun
  4. 5. One of the two points on Earth’s surface where the planet’s axis of rotation meets the surface: the North Pole (90°N) and the South Pole (90°S).
  5. 6. – The planet we live on, made up of different layers and systems that support life.
  6. 11. rocky surface and interior of Earth