Ch5 Earth in space

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Across
  1. 3. The type of force that keeps the Earth in orbit around the sun
  2. 7. The imaginary line through the centre of the Earth from pole to pole
  3. 9. Half a sphere
  4. 10. The phase of the moon before and after a full moon
  5. 11. A computer model can be used to make a ____ about global warming
Down
  1. 1. These form craters when they crash into the moon
  2. 2. Occurs when the moon blocks the light from the sun (two words)
  3. 4. The movement of the Earth around the sun
  4. 5. The first person to walk on the moon
  5. 6. When the Southern Hemisphere is tilted towards the sun it experiences ____
  6. 8. The time it takes the Earth to orbit the sun once
  7. 12. The time it takes the Earth to rotate on its axis once
  8. 13. The shape of the moon after a new moon
  9. 14. A high tide that doesn't come in very far