SES6 Vocab

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Across
  1. 2. amount of matter in an object
  2. 4. the amount of gravitational pull on an object
  3. 5. a cloud of star dust that can form new stars and planets
  4. 6. what we call a place with so little gravity that things will float through the air
  5. 9. the pull of one object to another
Down
  1. 1. law that explains universal gravity
  2. 3. a layer of gas surrounding a planet held in place by gravity
  3. 5. scientist who found the law of conservation of energy
  4. 7. the path of planets going around a sun
  5. 8. a all of flaming gas pulled together by gravity