Water and Changes of State
Across
- 4. vapour, Water gains heat from its surroundings and evaporated into ______________ _______________.
- 6. A puddle of water gains heat from its ___________________ and evaporated into water vapour.
- 7. Water evaporates faster if the temperature of the surroundings is __________________.
- 8. Boiling takes place at a fixed temperature but evaporation takes place at ___________ temperature.
- 9. Water vapour at 100 degree Celsius.
- 12. The process where ice gains heat and changes from solid to liquid state.
- 14. For condensation to take place, the water vapour needs to touch a _______________ surface.
- 16. The rate of evaporation is how fast or how slow _____________ takes place.
- 17. The process where water gains heat and changes from liquid to gaseous state at a fixed temperature.
- 18. droplets, The water vapour touches a cooler surface and condenses into ______________ _____________.
Down
- 1. The process where gas loses heat and changes from gaseous to liquid state.
- 2. The process where water loses heat and changes from liquid to solid state.
- 3. ________ oC is the temperature of melting and freezing point.
- 5. The water in our wet clothes will evaporate faster when there is _______________.
- 6. Evaporation happens at the water _________________ unlike boiling which happens throughout the water.
- 10. The process where water gain heat and changes from liquid to gaseous state at any temperature below its boiling point.
- 11. During melting, the ice gains heat but its temperature remains ____________ at 0 degree Celsius.
- 13. As steam touches the cooler surrounding air, it ____________ heat and condenses into water droplets which is the mist.
- 15. A beaker of water with ______________ exposed surface area will gain heat faster and evaporate faster.