Chapter 3 Vocabulary

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Across
  1. 2. observations or measurements recorded
  2. 4. the pull between Earth and objects
  3. 6. an arrangement of stars as seen from Earth
  4. 8. scientist who studies stars and planets
  5. 9. to find out about something
Down
  1. 1. time it takes for Earth to orbit the sun
  2. 2. 24 hours long and day and night
  3. 3. to move in a regular path
  4. 5. to be similar over and over again
  5. 7. how or why something happens