Across
- 4. something we observe to be similar over and over again
- 8. the only star in our solar system
- 9. an arrangement of stars as seen from Earth data observations or measurements recorded in an investigation
- 10. the length of time it takes for Earth to orbit the sun once
- 11. a large celestial body that revolves around the sun in fixed orbits
- 12. the pull between Earth and other objects, which acts even without touching
- 13. a period of time that is 24 hours long and includes daytime and nighttime
- 14. information that supports an answer to a question
Down
- 1. a scientist who studies stars and planets
- 2. to make a picture in your mind using information from different sources
- 3. a description of how something works or why something happens
- 5. an attempt to find out about something
- 6. a huge object in space that gives off heat and light
- 7. something scientists make to answer questions about the real world