Across
- 5. This is hot water vapour that is created when water boils.
- 6. 200ml of water in a tall glass will evaporate ___________________ than 200ml of water in a shallow wide plate.
- 8. Water on the floor disappears after a while because of the process of _______________.
- 10. As water is heated, small bubbles first appear in the water. These small bubbles contain _________.
- 11. The temperature of ice stays at its ________________ point until all the ice has melted because all the heat is used to change the state of ice and not increase its temperature.
- 13. Tiny water droplets in the sky.
Down
- 1. If the boiling point of Substance P is 50ºC, it is a liquid at room temperature of 28ºC. True or False?
- 2. 200ml of water in a metal cup may evaporate faster than 200ml of water in a plastic cup of the same shape and size as the metal cup because metal allows heat transfer through it to be ________________ than heat transfer through plastic.
- 3. For condensation to happen, hotter water vapour must touch a ___________ surface so that it could lose heat.
- 4. Cooling effect occurs when water droplets land on our skin because the water droplets are _____________ heat from the skin to evaporate.
- 7. The water cycle on Earth is possible because of heat from the ____________.
- 9. Two similar towels were made wet with the same amount of water. One was placed in front of a fan while the other was placed away from the fan. The time taken for both towels to dry completely was measured. The changed variable is ____________ of wind.
- 12. If water droplets are found on the inner side of a cup of water above the water level, is the water in the cup hot or cold?