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