NS3 Unit 6 Energy and machines

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Across
  1. 3. An object that we use to help our daily lives.
  2. 6. This energy doesn't run out and causes less pollution.
  3. 10. Harmful substances that accumulate in the soil, air and water.
  4. 11. What makes everything happen.
Down
  1. 1. A rigid bar that moves around a fixed point.
  2. 2. A flat or level surface.
  3. 4. A new object or machine made by people.
  4. 5. Any object, material or substance that needs to be thrown away.
  5. 6. An inclined plane.
  6. 7. Everything that affects a living thing.
  7. 8. A wheel with a rope that rotates around an axle.
  8. 9. The part of a complex machine that creates movement.