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