Across
- 1. the ways in which scientists answer questions and solve problems
- 4. a possible explanation for, or a guess at, an answer to a question
- 7. the "stuff" that everything is made of
- 8. process of collecting information about the world
- 9. explains why something happens
- 13. numbers
- 14. how close a measurement is to the true or accepted value
- 16. the study of the history, structure, and formation of Earth
- 17. the process of using your senses to collect information
Down
- 2. an experiment in which only one factor changes at a time
- 3. the study of how energy affects matter
- 5. observations
- 6. how close measurements of the same item are to each other
- 10. the ability to do work
- 11. the study of life
- 12. tells what happens, not why
- 15. the study of the structure and properties of matter