Across
- 5. procedure that tests hypothesis
- 8. qualities or characteristic observations
- 9. unifying principle
- 10. 10^-9
- 11. a way to study science, learn new things, and understand the world
- 12. 10^-12
- 15. a;# between 1 and 10
Down
- 1. n, integer
- 2. number of countries that don't use the SI system
- 3. systematic recording of qualitative or quantitative data
- 4. explanation for observation
- 6. change magnitude of measurement
- 7. observations using numbers
- 11. International System of Units
- 13. m, g, s, etc.
- 14. 10^9