Gravity Unit

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Across
  1. 1. The event that is said to have created the universe
  2. 4. If an object is not affected by gravity, it is:
  3. 5. The man who discovered gravity
  4. 6. When an object’s period of rotation matches the Earth’s, it is:
  5. 10. The Sun is the center of the solar system
  6. 11. The force that holds things down on Earth
  7. 13. Gravity is so strong here, even light cannot escape this
  8. 14. The minimum distance a large satellite can approach its primary body without tidal forces overcoming the gravity holding the satellite together
Down
  1. 2. The Earth is the center of the solar system
  2. 3. The velocity required for an object to exit a gravitational field
  3. 7. An object that orbits something
  4. 8. Tides that are much lower than usual
  5. 9. Tides that are much higher than usual
  6. 12. If an object is affected by gravity, it has: