Simple Machine Crossword

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Across
  1. 2. Something that causes the change of motion.
  2. 5. A statement of facts deduced from an observation.
  3. 7. force The effort for which it must overcome to complete the work using frictional forces.
  4. 9. advantage The ratio of a force produced by a machine to the force applied to it.
  5. 11. machine A machine consisting of two or more simple machines working together.
  6. 12. The vertical axis of a coordinate graph.
  7. 13. variable The variable that depends on other factors and is measured (the effect).
  8. 15. A proposed explanation with limited evidence.
Down
  1. 1. The amount of energy necessary to move an object.
  2. 3. force The force required by a machine in order to complete work.
  3. 4. A point where a lever rests or is supported and pivots on.
  4. 6. variable The variable that isn't changed by other variable, but the person that controls the experiment.
  5. 8. machine Any basic mechanical device to apply force or effort, such as inclined planes, screws, wedges, etc.
  6. 10. The horizontal axis of a coordinate graph.
  7. 14. A system of ideas intended to explain something.