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Across 2. A quantity divided by time is a __________. 4. He reasoned that earh resolves around the sun 7. Measure of how fast something is moving. 9. __________ is the name given to the force that acts between materials that touch as they move past each other. 10. Total distance covered divided by time 12. Process of determining the components of the given vector is called _______. 13. SI unit of force 17. A __________ must be testable. An educated guess. 18. Galileo Galilei and Francis Bacon are usually credited as the founders of 19. __________ is the language of science 20. A close agreement by compentent observers who make a series of observations of the same phenomenon.

Down 1. Speed at any instant is known as ________________. 3. Change in velocity divided by time 5. An object at rest and the net force equals zero is called the _________. 6. Combination of all forces acting on an object 8. Require both magnitude and direction 11. Newtons first law is also known as _________. 14. Force of gravity on an object 15. Any push or pull. 16. __________ is the most basic science