Across
- 3. is deliberately changed at a time
- 5. a representation of an objeet or event
- 9. the straight-line distance between two points
- 10. an instrument that measures temperature
- 14. the study of matter and energy and the interactions between the two through forces and motion
- 16. information obtained through the senses
- 19. a way of expressing a value as the product of a number
- 20. a statement that summarizes a pattern found in nature
- 21. variable
- 23. the ratio of a material's mass to its volume
- 24. from one unit to another
- 25. 1 and 10 and a power of 10
- 26. a variable that changes in response to a change in the
Down
- 1. the variable that causes a change in another variable / the
- 2. an organized plan used for gathering, organizing, and communicating information
- 4. an experiment in which only one variable, the manipulated
- 6. a ratio of equivalent measurements that is used to convert a
- 7. that the scientist changes in an experiment
- 8. the study of the composition, structure, properties, and reactions of matter
- 11. a proposed answer to a question
- 12. results
- 13. the amount of matter in an object
- 15. a system of knowledge about the natural world and the methods used to find that knowledge
- 17. a well-tested explanation for a set of observations or
- 18. the amount of space taken up by an object
- 22. the use of scientific knowledge to solve practical problems