Across
- 4. machine made of two or more simple machines.
- 6. mass x acceleration
- 10. a hammer or wheel barrow is an example of this simple machine.
- 12. an ax is an example of this type of simple machine.
- 13. unit of power
- 15. step by step method used to solve problems. Includes hypothesis, data collection, and conclusions
- 16. downward pull exerted on an object by the Earth
- 19. speed in a direction.
- 21. a wave that travels at right angle to the medium.
- 22. tendency of an object to stay in motion or at rest unless acted upon by an outside force.
Down
- 1. force divided by mass
- 2. rope or cable wrapped around a wheel.
- 3. factor tested in an experiment.
- 5. unit for work
- 7. product of the mass and velocity of an object.
- 8. distance divided by time.
- 9. force that opposes motion.
- 11. ramp used to lift object
- 14. inclined plane wrapped around a cylinder
- 17. transfer of energy by a force from one body to another.
- 18. one of six basic types of machines which are the basis of all other machines.
- 20. the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws.