Across
- 2. handheld device with a magnetic needle used to fine magnetic north
- 4. method a method of procedure that has characterized natural science
- 7. a coherent typically large body of matter with no definite shape
- 9. the study of rocks
- 11. cylinder Long slender vessels used for measuring the volume of liquids
- 13. quantity that expresses the extent of a two dimensional region
- 14. physical conceptual representation of a system of ideas
- 15. Scientist who study the universe
- 17. unit of length
- 18. a hypothesis that has been repeatedly tested and not proven false
- 20. variable the variable in an experiment that is controlled and changed
- 21. A testable working explanation for a problem
Down
- 1. instrument that measures wind speed
- 3. an instrument that measures and records details of earthquakes
- 5. physical quantity that expresses hot and cold
- 6. the amount of space that a substance or object occupies
- 8. variable is the variable in an experience that you are measuring as you change the independent variable
- 10. instrument that measures air pressure
- 12. the amount of mass per unit of volume of a substance
- 16. study of the ocean
- 18. usually tubular optical instrument for viewing distance objects
- 19. study of earths atmosphere