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 Webquest: Water

Water is amazing stuff - nothing on Earth can live without it. Did you know the water we use today is the same water that was used by the dinosaurs? Find out more about water’s properties and why it’s so important in our watery webquest, which celebrates World Water Day (22nd March).

Activity 1: Water facts – take the quiz

1. The percentage of the human body that is made of water is …

a. … 40%.     b. … 60%.    c. … 80%.    d. … 90%.

2. How much of the Earth’s surface is covered by water?

a. 50%    b. 60%    c. 70%    d. 80%

3. The chemical name for water is …

a. …HO₂       b. …O₂            c. …HO    d. …H₂O.

4. Water can be changed into different states by changing its temperature. Name the three forms it can exist in.

1. _________________     2. __________________     3. ___________________

5. Water is heavier than … (two are correct)

a. …stone.    b. …wood.    c. …plastic.    d. …gold.

6. How much water do humans need to drink a day to live?

a. 0.5 litres    b. 2 litres    c. 3 litres    d. 4 litres

7. We get a lot of water from food. What percentage of an egg is made up of water?                  

a. 50%    b. 60%    c. 75%    d. 80%

8. Most fruit is how much water?

a. 50%    b. 70%    c. 80%    d. 90%

9. People can live without food for two months. How long can they live without water?   

a. 2 days    b. 4 days    c. 7 days    d. 10 days

10. What is the theme for World Water Day 2018? Visit the official site to search -

http://worldwaterday.org/

Activity 2: Water for health

We all know we need to drink water to stay alive. If we don’t drink enough water, it can cause health problems.

Go to: www.scottishwater.co.uk/old-education/all-about-water/uses-of-water/water-for-health

Read the statements and decide if they are true (T) or false (F).

1. Not drinking enough water can cause headaches.

2. Drinking water doesn’t help you think clearly.

3. Water has few calories.

4. Bones don’t need water.

5. We need water to help use the food we eat.

6. The blood passes through the kidneys five times a day.

7. The kidneys use water to clean the blood.

8. People die after about 21 days if the kidneys don’t clean the blood.

9. Water stops the body getting too hot.

10. Drinking enough water reduces the amount of salt in our bodies.

Activity 3: Saving water

Only 1% of the Earth’s water is available for people, plants and animals to use. So we need to use it carefully and not waste it.

Think of some ideas on how to save water and make notes of your ideas - you could put them in a table, like the one below.

Now, follow the links below, read the tips, and add some more ideas to your list.

 http://www.scottishwater.co.uk/old-education/all-about-water/uses-of-water/saving-water