Vocabulary Activities

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Across
  1. 3. Theory that the earth was the center of the Universe.
  2. 5. A device used to make distant objects appear much closer.
  3. 6. A person who studies space.
  4. 7. Everything In space as a whole.
  5. 10. The study of space beyond our atmosphere.
  6. 11. The path of an project around another object in space.
Down
  1. 1. Theory that states the sun is the center of the solar system.
  2. 2. A hole in the surface of a planet or moon caused by a rock from space hitting the surface.
  3. 4. When an object travels around another.
  4. 6. An imaginary line going through the center of a sphere’s north and south poles.
  5. 8. A planet's spin on its axis
  6. 9. A force that pulls object towards the center of the earth other planets or moons.