Science Unit 1

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Across
  1. 3. The movement of the Moon or a planet around a celestial body.
  2. 6. The central, innermost part of the Earth or a planet.
  3. 7. When the Moon appears to be increasing in size
  4. 9. The visible change in position caused by spinning
  5. 10. A small rocky object from space that enters Earth's atmosphere.
Down
  1. 1. The shape of the Moon when less than half of it is illuminated.
  2. 2. The galaxy that contains our solar system.
  3. 4. The direction the Earth rotates and many celestial objects orbit.
  4. 5. A round three-dimensional object, like a ball.
  5. 8. A hole on the surface of a planet or moon, usually caused by an impact.