Across
- 3. only star in our solar system
- 4. a description of how something works
- 6. similar over and over again
- 8. a scientist who studies space
- 10. sun, planets, and other objects orbiting the sun
- 12. the pull between earth and other objects
- 13. recorded in an investigation
- 15. something scientist make to answer questions
Down
- 1. make a picture in your mind
- 2. an arrangement of stars
- 4. information that supports an answer
- 5. an attempt to find out about something
- 7. a regular path around something
- 9. gives off heat and light
- 11. a period of 24 hours
- 14. time it take Earth to orbit the sun