Physical Science

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Across
  1. 3. the word "atom"is derived from
  2. 6. litmus colour in neutral solution
  3. 7. optical illusion
  4. 9. Heat store houses
  5. 10. SI unit of temperature
Down
  1. 1. a lens used correct myopia
  2. 2. a lens thick at middle thin at edges
  3. 4. cooling process
  4. 5. neutron was discovered by
  5. 8. angular momentum quantum number explains