Across
- 3. the pull between Earth and other objects, which acts even without touching
- 5. an arrangement of stars as seen from Earth
- 7. information that supports an answer to a question
- 8. a period of time that is 24 hours long and includes daytime and nighttime
- 9. something scientists make to answer questions about the real world
Down
- 1. a scientist who studies stars, planets, and other objects in the universe
- 2. a description of how something works or why something happens
- 4. observations or measurements recorded in an investigation
- 6. an attempt to find out about something