science

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Across
  1. 3. Sound energy is produced when an object
  2. 6. A push or a pull effect on an object is called
  3. 7. The force applied using our body parts such as arms and legs is called
  4. 8. Force that was exerted by the Earth that pull everything to it center is called
  5. 10. Nuclear power plants have nuclear reactors that produce heat through a process called
Down
  1. 1. The ability of bats that enables them to locate objects in the dark by using reflected sound waves is called
  2. 2. The energy that comes from the heat of the Earth is called
  3. 4. The fuel that is produced from organic material, such as plant material and animal waste is called
  4. 5. The energy generated from moving water such as rivers and waterfalls is called
  5. 9. The property of sound that relates to how high or low a sound is called