science

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Across
  1. 5. contains two or more pure substances where each ones properties are not lost but may be hidden
  2. 6. the volume of a fluid that passes a given point over a specific period of time
  3. 7. is the natural force that pulls an object towards the centre of the earth
  4. 9. (evaporation): change from a liquid to a gas
  5. 12. is the study of gasses (usually air) under pressure
  6. 14. is the study of pressure in liquids
Down
  1. 1. compress gasses and provide the pressured needed for pneumatic systems to work
  2. 2. amount of space occupied by a substance
  3. 3. is the force of gravity exerted on an object
  4. 4. : change from a solid to a liquid
  5. 8. continuous physical force exerted on or against an object by something in contact with it.
  6. 9. is the property that describes the thickness of a fluid
  7. 10. (pa)
  8. 11. a substance's mass per unit of volume, or how much "stuff" is packed into a given space
  9. 13. is the measure of the amount of matter the object contains