Water and Changes of States

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Across
  1. 4. When water evaporates, it only happens on the _______.
  2. 5. The _______ point of water is 100 degrees Celsius.
  3. 6. When water freezes to ice, its ______ increases.
  4. 9. Temperature of metling ice remains _______ at 0 degrees Celsius until all ice has melted.
  5. 10. Salt and sugar are _______ that will lower melting point of ice.
  6. 12. When _____ is present, the rate of evaporation of water is faster.
  7. 13. The process water changes from liquid state to solid state.
  8. 14. Ice is water in ______ state.
Down
  1. 1. The measure of amount of water vapour in the air.
  2. 2. When temperature increases, the substance _______ heat.
  3. 3. Water vapour in the surroundings touches the cooler surface of leaf surfaces and _____ to form dew.
  4. 7. The process that happens at any temperature.
  5. 8. Water is a matter as it has mass and _______ space.
  6. 11. Steam is water in _______state.
  7. 15. When temperature decreases, the substance _______ heat.