Across
- 1. a scientific explanation supported by a lot of evidence collected over a long period of time
- 3. a method of representing a relationship between variables
- 6. the measurement system used for everyday measurements in the United States
- 7. a situation created to test a hypothesis
- 9. an unchanging speed of a moving object that covers the same distance every second
- 13. the basic unit of time in both the English and SI systems of measurement
- 15. a quantity of time separating two events
- 17. describes how close together or reproducible repeated measurements are
- 19. how close a measurement is to an accepted or "true" value
- 20. a factor that affects the results of an experiment
Down
- 2. a tentative statement that can be tested by comparison with scientific evidence
- 4. a measured distance that uses a specific measurement system's units
- 5. a collection of related factors that you identify to help answer a question or solve a problem
- 8. a branch of science concerned with understanding natural laws that relate to matter and energy
- 10. a process of learning that begins with a hypothesis and proceeds to prove or change a hypothesis by comparing it with scientific evidence
- 11. the International System of Units used by the scientific community worldwide
- 12. a measure of the space between two points
- 13. the rate at which an object's distance changes over time
- 14. the amount of matter an object has and a measure of its inertia
- 16. a measure of a system's ability to change or create change in a system
- 18. a rule that describes an action or set of actions in the universe