science Matters

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Across
  1. 2. Net movement of anything from a region of higher concentration to a lower concentration
  2. 5. point temperature of materials changing from solid to liquid
  3. 7. transition from solid to gas
  4. 9. an iincrease in the volume of a substance while the mass stays the same
  5. 10. the quantity of space occupied by a solid, liquid or gas
  6. 13. properties properties that can be measured, vslues described as a state of a physical system
  7. 15. made up of tiny particles
  8. 16. anything that has mass and takes up space
  9. 17. energy the energy that an object has because of its motion
  10. 19. a matter that conforms to the shape of its container in which it acquires a uniform density inside the containter
Down
  1. 1. the process of water vapour changing to liquid
  2. 3. the process of a substance changing from liquid to solid
  3. 4. states of matter characterized by particles
  4. 6. substance whose atoms all have the same number of atoms
  5. 8. almost incompressible fluid that conforms to the shape of its container but remains a constant volume
  6. 11. the process of a substance in a liquid state toa gaseous state
  7. 12. properties a characteristic or behaviour of a substance that may undergo a chemical change or reaction
  8. 14. point Temperature of a liquid equals the external pressure surrounding the liquid
  9. 16. the process of a solid changing to liquid
  10. 18. is both a property of a physical body and a measure of resistance to acceleration