Science General knowledge crossword Puzzle

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Across
  1. 2. fuels The substances formed from the dead remains of plants and animals.
  2. 5. The to and fro motion of an object
  3. 6. Paddy and maize are __ crops?
  4. 8. Alcohol is produced with the help of?
  5. 9. Fuel for stoves and lamps
Down
  1. 1. substances that reduce friction are known as?
  2. 2. Bread mould is a ?
  3. 3. Keeping crop grains for a long time under proper conditions
  4. 4. Certain plants of the same kind are grown on a large scale
  5. 7. A push or pull of an object