1. What is pure water?
Answers on your sheet
now please….
quickly!

2. What is in sea water?
Answers on your sheet
now please….
quickly!

3. Can you drink sea water?
Answers on your sheet
now please….
quickly!

4. USE THE WORDS BELOW TO HELP YOU!
You are stranded on a desert island and have no water to drink. You are getting very thirsty... How could you use sea water to produce water that you can drink?
USE THE WORDS BELOW TO HELP YOU!
Drink...hole... Condense... Water... Salt... Evaporate... Sand...Cling film... Water vapour...

5. You are stranded on a desert island and have no water to drink
You are stranded on a desert island and have no water to drink. You are getting very thirsty... How could you use sea water to produce water that you can drink?
First I would collect from the sea. I would put this water into a in the I would put a sheet of over the hole. Over time the water would and the would be left behind. When the hits the cool surface of the cling film it will and turn back into liquid water. This contains no salt and so I can it!
Drink...hole... Condense... Water... Salt... Evaporate... Sand...Cling film... Water vapour...

6. Distillation Demonstration

7. Water vapour
Pure water
Sea water
Label the diagram.

8. 1.Complete the diagram worksheet
2. Explain the process of distillation
You must include the terms boiling and condensation

9. Water vapour rises and goes into the Liebig condenser Condensation:
Thermometer
Water vapour
Cold water out
Water vapour rises and goes into the Liebig condenser
Condensation:
The water vapour cools and turns into liquid
Flask of sea water
Pure water
Cold water in
Sea water
Pure water drips into the beaker

10. How can getting clean water from seawater help the world?

11. Is the desalination process sustainable
Is the desalination process sustainable? What are the issues for different parts of the world ?