Across
- 9. method/systematic approach used in scientific study
- 12. error/expresses error as a percentage of the accepted value (measure of accuracy)
- 14. for comparison
- 16. variable/variable the experimenter plans to change (cause)
- 17. base unit for time
- 19. of controlled observations that test the hypothesis
- 20. of matter and changes it undergoes
- 21. base unit for length
- 23. data/descriptive, nonnumerical information
- 25. property of matter defined as the amount of mass per unit volume
- 27. variable/variable that changes in response to a change in the independent variable (effect)
- 28. law/relationship in nature that is supported by many experiments
- 29. figure/all known digits plus one estimated digit
Down
- 1. close a series of measurements are to one another
- 2. testable statement or prediction about what has been observed
- 3. close a measured value is to an accepted value
- 4. factor/ratio of equivalent values having different units
- 5. of Earth’s gravitational pull on matter
- 6. base unit for temperature
- 7. analysis/approach to problem solving that uses conversion factors to convert from one unit to another
- 8. base unit for mass
- 10. of a natural phenomenon based on many observations and investigations over time
- 11. that has definite and uniform composition
- 13. unit equal to one cubic decimeter
- 15. unit/unit defined by a combination of base units
- 18. of the amount of matter
- 22. data/numerical data
- 24. unit/defined unit in a system of measurement based on an object or event in the physical world
- 26. notation/method of expressing any number as a coefficient between 1 and 10 multiplied by 10 raised to an exponent