Lesson-10 a (FORCE, WORK and ENERGY)

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Across
  1. 1. They make work easy.
  2. 6. In electronic motors, electrical energy is changed into this energy.
  3. 7. The energy that we get from sun.
  4. 8. A slope over which a load can be pushed up or down. (8,5)
  5. 12. It is used to hold things together.
  6. 13. Screwdriver is an example of this simple machine. (5,4)
  7. 14. The ability to do work.
Down
  1. 2. Tools that make work easier (6,8).
  2. 3. Villagers use this to draw water from wells.
  3. 4. To push or pull something, …………….. is required.
  4. 5. A moving body slows down or stops on its own due to this force.
  5. 9. In electric motors, ………………… energy is changed into mechanical energy.
  6. 10. When we beat a drum, …………………… energy is changed into sound energy.
  7. 11. It is used to cut hard objects.