Across
- 2. group of related parts that work together
- 6. a person who studies weather
- 10. to say something that might happen in the future
- 11. person who studies celestial bodies
- 13. to hint or suggest
- 14. an idea that is intended to explain facts or events
- 15. a generalized rule used to explain a body of observation
- 17. something that is done as a test
Down
- 1. study of natural world through experiments
- 3. an idea that is not proven
- 4. a person who studies solid and liquid matter that is the earth
- 5. physical strength power or effect
- 7. the use of science to invent useful things
- 8. a person that studies the ocean
- 9. a number likely to change
- 12. to see and notice something
- 16. individual pieces of information
- 17. a person trained in design
- 18. request for information
- 19. ability to be active
