Across
- 2. usually used to slide or roll a load from a lower to higher, or higher to lower level
- 3. factor in an experiment that is intentionally kept the same
- 5. any of the six basic mechanical devices used for applying force
- 8. a wheel with a groove in it in which a cord or rope can be passed to raise or lower a load
- 9. Example of a wedge
- 11. a push or a pull that influences the motion of another object
- 12. an object usually made of wood or metal that has one thick end that tapers to a thin edge on one side
- 13. a bar resting upon a fulcrum that is often used to move heavy loads by placing pressure on one side
- 14. tentative, testable explanation for a phenomenon
- 15. a wheel attached to a rod, shaft or an axle that can be turned
- 17. the force that attracts all objects toward the center of the Earth
Down
- 1. the factor being measured in an experiment
- 4. an inclined plane or thread wrapped around a shaft
- 6. the factor in an experiment that is intentionally changed
- 7. the pivot or the fixed part needed to work with a bar
- 10. An example of a Pully
- 16. the weight or mass that is being supported or carried
