Physics

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Across
  1. 1. a measure of the amount of matter in a body
  2. 3. the base unit of the length in the SI
  3. 4. Name of a Greek physicist, his principle states that when an object is immersed in the water, it experiences the upward force which is equal to weight of the fluid displaced by it
  4. 6. measurement unit of the force, name of famous physicist
  5. 8. it is equivalent to coulomb per second
  6. 9. the mass of an object divided by its volume
Down
  1. 2. which particle has a nucleous of the helium atom
  2. 3. the mass multiplied by its velocity
  3. 5. a negatively charged sub-atomic particle
  4. 7. something that can never be created or destroyed but it can be changed into different forms