Gravity & More

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Across
  1. 4. the sun's magnetic field
  2. 5. when a star's hydrogen atoms fuse, this is formed
  3. 8. the attraction of every object in the universe
  4. 9. what pulls gases together to form a star
  5. 11. this affects how much gravity between 2 objects
  6. 12. this affects how much gravity an object has
Down
  1. 1. when matter is ____, it heats up
  2. 2. model that says Earth is at the center of our solar system
  3. 3. model that says the sun is the center of our solar system
  4. 6. atoms and molecules
  5. 7. the gas stars are made of
  6. 10. the amount of matter an object contains