Energy

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Across
  1. 1. Used for lifting heavy machines, because water is incompressible
  2. 4. Energy that uses the heat from our mantle
  3. 6. Energy that is generated by moving objects
  4. 7. Space is composed of it, an empty nothingness
Down
  1. 2. Energy that comes from the heat and radiation of our Sun
  2. 3. Lowest numbered chemical element with no stable isotopes
  3. 4. The radiation that occurrs when atoms split
  4. 5. Plants, converted into raw energy