Patterns of Earth & Sky Unit

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Across
  1. 1. the closest star to us
  2. 3. a 24 hour period that includes daytime and nighttime
  3. 5. the force that pulls everything toward the earth
  4. 7. something that repeats
  5. 8. something scientists make or use to answer questions about the real world
  6. 10. the movement the earth makes around the sun
  7. 13. an ancient, man-made, object
  8. 15. the earth does this once each day
Down
  1. 2. the time of day when the other stars are visible
  2. 4. the length of time it takes for the earth to orbit the sun one time
  3. 6. a scientist who studies stars and planets
  4. 9. a group of stars as seen from Earth
  5. 11. observations or measurements collected in an investigation
  6. 12. a huge object in space that gives off heat and light
  7. 14. the time of day when the sun is visible