Across
- 3. the steepness of a line , equal too the ratio of vertical change to the corresponding horizontal change
- 8. the closeness of a measurement to the true value of what is measured
- 9. use of knowledge to solve practical problems
- 12. the study of the universe beyond earth
- 14. a relationship between two variables in which their ratio is constant .
- 15. the study of the origin , history and structure of earth
Down
- 1. information obtained through the senses
- 2. the study of the composition , structive,properties and reactions of matter .
- 4. the study of matter and energy and the interactions between the two through forces and motion
- 5. the ratio of a material's mass to its volume
- 6. a gauge of how exact a measurement is .
- 7. a system of knowledge about the natural world and the methods used to find that information.
- 10. the straight line distance between two points
- 11. the study of life and life process .
- 13. a representation of an object or event