FORCE AND ENERGY

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Across
  1. 2. THE FORCE THAT ATTRACTS THE BODY TOWARDS THE CENTRE OF EARTH
  2. 4. A SIMPLE MACHINE USED TO HOLD THINGS TIGHTLY TOGETHER
  3. 6. ONE OF THE OLDEST SOURCES ENERGY USED AND MEANS WATER ENERGY
  4. 8. TOOLS THAT MAKE OUR WORK EASIER
Down
  1. 1. THE ABILITY TO DO WORK
  2. 2. THIS WORD COMES FROM THE GREEK WORDS THAT MEAN EARTH AND HEAT
  3. 3. A PUSH OR A PULL
  4. 5. THIS FORCE SLOWS DOWN A MOVING OBJECT
  5. 7. A SMALL WHEEL WITH A GROOVE AROUND ITS OUTER EDGE