5th Sc Unit 2

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Across
  1. 2. system: the sun, the planets that orbit the sun, and other objects that
  2. 5. universe
  3. 8. to make a picture in your mind using information from different
  4. 11. an arrangement of stars as seen from Earth
  5. 15. to move in a regular path around something
  6. 16. a huge object in space that gives off heat and light
  7. 17. observations or measurements recorded in an investigation
  8. 18. a scientist who studies stars, planets, and other objects in
  9. 19. the only star in our solar system
Down
  1. 1. a period of time that is 24 hours long and includes daytime and
  2. 3. the sun
  3. 4. something scientists make to answer questions about the real world
  4. 6. information that supports an answer to a question
  5. 7. the length of time it takes for Earth to orbit the sun once
  6. 9. a description of how something works or why something
  7. 10. something we observe to be similar over and over again
  8. 12. an attempt to find out about something
  9. 13. the pull between Earth and other objects, which acts even without
  10. 14. el jalón entre la Tierra y otros objetos, lo cual actúa aun sin tocar