6-5-1 Natural Resources

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Across
  1. 2. any device that helps people do work by changing the way work is done.
  2. 4. a comparison of a machine’s work output with the work input.
  3. 6. a simple machine that is made of a wheel connected to a smaller cylindrical object.
  4. 9. a fixed point where a bar pivots in a lever.
  5. 10. the number of times the machine multiplies the input force.
  6. 11. a nonrenewable resource formed from the buried remains of plants and animals that lived long ago.
  7. 13. a natural resource that can be replaced at the same rate at which it is consumed.
  8. 14. a simple machine that has a grooved wheel that holds a rope or a cable.
Down
  1. 1. a simple machine that is a straight, slanted surface.
  2. 3. resource that forms much more slowly than it is consumed.
  3. 5. natural resources used to generate energy.
  4. 7. any natural material that is used by humans.
  5. 8. Natural resources that are used to make objects, food, or drink.
  6. 12. a simple machine that has a bar that pivots at a fixed point.