Earth in the Solar System

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Across
  1. 1. hot, liquid rock
  2. 5. the process by which organisms make food using energy from the sun the carbon dioxide
  3. 6. magma that flows to Earth's surface
  4. 8. the measure of the force with which the gases in the atmosphere push on a surface
  5. 12. the layer of gases in the upper atmosphere that blocks most of the sun's ultraviolet radiation from reaching Earth
  6. 13. the movement of air caused by differences in air pressure
  7. 14. Earth's middle layer found between the crust and the core
  8. 15. the ratio of a substance's mass to its volume
  9. 17. the spin of an object such as Earth on its axis
  10. 18. the thin, outermost layer of Earth
Down
  1. 2. the mixture of gases that surrounds Earth
  2. 3. a large circular pattern in which air travels
  3. 4. a large body of air where the temperature and moisture content are similar throughout
  4. 7. the central part of the Earth
  5. 9. the cloud of gases and dust particles that formed our solar system
  6. 10. an object in space that continues to grow to form a planet
  7. 11. the are where two air masses meet
  8. 16. the force of attraction between two objects because of their masses