Unit 7 Science test practice

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Across
  1. 3. All things contained in the cosmos
  2. 5. the force that attracts something towards any other physical body with mass
  3. 8. a collection of planets and moons orbiting a sun
  4. 11. the distance used by astronomers to measure the space between planets
  5. 13. stars,dust,and gasses held together by gravity
  6. 14. a galaxy in a spherical shape
Down
  1. 1. a enormous explosion of a star
  2. 2. a term used to describing the distance from planets
  3. 4. something so dense that everything from a certain range cant escape
  4. 6. information that supports a theory
  5. 7. A large cloud containing gas and dust.
  6. 8. an example is the milky way
  7. 9. a theory of science that uses the scientific method and hypothesis
  8. 10. The galaxy we inhabit
  9. 12. a beginning or standard unit