Across
- 2. the amount of matter in an object
- 4. the study of the composition,structure,properties and reactions of matter
- 5. variable a variable that changed in response to a change in the manipulated variable
- 9. experiment an experiment in which only one variable is deliberately changed at a time
- 10. law a statement that summarizes a pattern found in nature
- 14. a proposed answer to a question
- 15. the amount of space taken up by an object
Down
- 1. information obtained through the senses
- 2. variable the variable that causes a change in another variable
- 3. method an organized plan used for gathering,organizing, and communication information
- 6. the straight-line distance between two points
- 7. a gauge of hoe exact a measurement is
- 8. the closeness of a measurement to the true value of what is measured
- 10. theory a well-tested explanation for a set of observations or experimental results
- 11. the study of matter and energy/the interactions between two things through forces and motion
- 12. a representation of an object or event
- 13. system of knowledge about the natural world