Uses of Water - Water for Life 1. Fascinating Facts 6/7 ... · PDF fileUses of Water - Water for Life Aims: • To introduce pupils to key facts about water and the body ... False.

Uses of Water - Water for Life

Aims:

• To introduce pupils to key facts about water and the body

• To undertake a survey to identify how much water they drink

• To experience presenting results through graphs

• To make pupils aware of the importance of drinking water

• Worksheet 1

• Worksheet 6

• Worksheet 7

Method:

Materials:

• Ask pupils to estimate the percentages of water in their body, their brain, bones and skin

• Hand out Fascinating Facts and compare their answers with this

• Emphasise importance of drinking water and carry out activity on Worksheet 6

• Hand out Worksheet 7 to pupils and explain that you would like them all to keep a record of how much water they drink over seven days.

.

Fruit juice and fizzy drinks do not count - only tap or bottled water

• Once the survey is complete display individual graphs and use this to create a class graph which shows particular aspects of the survey e.g. how many pupils drink less than 6-8 glasses each day

1. Fascinating Facts6/7 Drinking Water Survey

www.scottishwater.co.uk/education © Scottish Water 2004

Saving WaterWater for Life - Worksheet 1

F The body is made up of two thirds water.

F The brain is 85% water.

F Bones are made up of 33% water .

F Healthy skin is 70% water.

F The kidneys help to control the amount of water in the body by making less urine when we sweat and more when we don't sweat ver y much.

F That is why we go to the toilet more on a cold day than awarm day!

Fascinating Facts

We all need water to keep us alive.

F



Aims:

• To investigate through an experiment how plants use water to live

• To enable pupils to recognise the importance of water to life

Materials:

• Copy of Worksheet 2 at appropriate level for each group

• One cut white carnation or stick of celery, a clear vase or jar, red food colouring for each group

Method:

• Decide whether you will conduct the experiment as a class in small groups or organise small groups to do it at different times during the day

• As it takes a number of days for the experiment, it may be appropriate to start it at the beginning of the week

• Hand out Worksheet 2 and equipment to each group

• Discuss the experiment with the pupils, check understanding

• Pupils set up experiment and design their recording instruments

• Following completion, pupils write up their experiment

2. Everything needs water to live - plants too!



You will need:

-one cut white -carnation or a stick

of celery with lots of leaves.

-a clear vase or jar

-red food colouring

How to find out:

1. Fill the vase/jar with water.

2. Add the food colouring drop by drop until the water has turned bright red.

3. Place the cut carnation or celery in the vase.

4. Observe the carnation's petals or celery leaves daily.

5. Use diagrams to record what you notice.

To get a better result:

• Make sure you cut the stem of the carnation or the stick of celery diagonally.

• When you are ready to put the carnation or celery in the vase turn on the tap. Hold the cut stem under the running water then put it immediately in the jar.

Write a short report about your experiment.

Remember to say: 1. What you used. 2. What you did. 3. What happened. 4. What conclusions you came to.

Include your diagrams in your report.

Try this experiment. See if you can work out just what the water does.



Aims:

• For pupils to investigate how much water fresh fruit contains

• To practice measuring and recording skills

Materials:

• Copy of Worksheet 3 at appropriate level for each group

• One orange, lemon, grapefruit, sharp knife, squeezer, 3 plastic beakers and a measuring jug for each group

Method:

• The experiment could take place at the front of the class with pupil assistance or in small groups at different times during the day/week with a class briefing and discussion beforehand

• Show pupils fresh fruit and explain that each of these contain water but it is difficult to tell by looking at them. To find out how much juice it will have to squeezed

• Carry out the experiment with the whole class or set small groups to work, handing out equipment and worksheet at appropriate level

• Pupils write up their experiment using the outline provided on the worksheet

• The supermarket research can be set as a homework activity

3. Water in Fruit



How much water does fruit contain?

You will need:

- one orange- one lemon- one grapefruit- a sharp knife- a squeezer- 3 plastic beakers- a measuring jug

How to find out:

1. Cut the orange in half.

2. Using the squeezer, squeeze the juice from both halves and put it into a plastic beaker.

3. Repeat this with the other fruits.

4. Measure how much juice comes from each fruit.

Write up your experiment:

Start like this: 1. What we used. 2. What we did. 3. What happened.

Show your results on a graph.

Other things to do.

Look at the range of fruit juices on sale in supermarkets. Look at the back of the cartons and check the water content in each. Find the fruit juice which contains the largest percentage of water.



How much water does fruit contain?

You will need:

- one orange- one lemon- one grapefruit- a sharp knife- a squeezer- 3 plastic beakers- a measuring jug

How to find out:

1. Cut the orange in half.

2. Using the squeezer, squeeze the juice from both halves and put it into a plastic beaker.

3. Repeat this with the other fruits.

4. Measure how much juice comes from each fruit.

Try to answer these questions.

1. Which fruit contained the most water?2. Which fruit contained the least water?3. Draw a bar chart to show this.

Other things to do.

Look at the range of fruit juices on sale in supermarkets. Look at the back of the cartons and check the water content in each. Find the fruit juice which contains the largest percentage of water.



Aims:

• To improve pupils' independent research skills

• To improve pupils' knowledge of water and the body

Materials:

• Copy of Worksheet 4 for each pupil/group

• Internet access, reference books

• Packets of cream crackers

• Stopwatch or timer

Method:

• Decide whether pupils will do this individually or in groups

• Hand out Worksheet 4 and discuss and set deadlines for completion

• Review answers and times for eating the cream crackers

4. Water and our body



Water and our body

Make short notes on the following points:

1. Find out why our eyes water when we get something in them.

2. What percentage of our body is made up of water?

3. How do we know we are thirsty?

4. How much water do we need every day?

5. What percentage of blood is made up of water?

6. What is saliva? Why do we need saliva?

Try this:

Eat two cream crackers without taking a drink of water. I bet you can't do it in less than two minutes!



Aims:

• To introduce pupils to how water works within the body

• For pupils to undertake independent research tasks

Materials:

• Copy of Worksheet 5 for each pupil

• Internet access to appropriate web site and reference books

Method:

• Hand out worksheet to each pupil and discuss the task and set a deadline for completion

• Guide pupils to appropriate sources of information

5. Fascinating Facts



F The water you take into your body passes into your blood. It forms part of the blood which is called plasma. The blood takes food and oxygen to all parts of our body which keeps us alive.

F Our body produces a lot of waste chemicals and these are removed by the kidneys. Water is essential for the kidneys to work.

Find out more.

Find out as much information as you can about the kidneys. Write up your findings and include drawings and diagrams.

Fascinating FactsF



F The water that you take into your body through food and drink passes into your blood. It forms part of the blood called plasma.

F The blood takes food and oxygen to all parts of our body and this keeps us alive.

F Our body produces a lot of waste chemicals and these are taken away by the kidneys. We need to drink water so that the kidneys will work.

Fascinating FactsF



Drinking Record Form

Colour in the big glass each time you have a drink of water today.

Each line = one glass of water.

Drinking water



Water Survey

NameName:

Keep a record of how many glasses of water you drink each day for seven days. Ask other members of your family to do it too.

Are you drinking enough?

Aim to drink at least 6 - 8 glasses per day.

12345678

Mon Tues Wed Thurs Fri Sat Sun



Aims:

• To check pupils' knowledge about the importance of drinking water

• To reinforce the vocabulary that they have been using

Materials:

• Worksheet 8a/b - Drinking Water Quiz

• Worksheet 9 - Wordsearch

Method:

• The quiz and wordsearch can be used in class or as a homework task

• Hand out a copy of quiz and wordsearch to each pupil to complete

• Alternatively ask them to design their own and try them out on a friend

8a/b. Drinking Water Quiz9. Wordsearch


Saving WaterWater for Life - Worksheet 8a

Circle the answer.

1. Drinking water will help give you healthier skin.

True False

2. You work better at school when you drink water throughout the day.

True False

3. Water contains no natural minerals which will help your body.

True False

4. Drinking water before, during and after exercise can help you to prevent tiredness and cramps.

True False

5. Drinking water will not help boost your energy levels.

True False

Now check your answers with the Answer Sheet.

Drinking Water Quiz

True or False?Are the following statements True or False?


Saving WaterWater for Life - Worksheet 8b

1. True.Your skin needs water to stop it drying out and preventing spots. Healthy skin is 70% water.

2. True. Research results have shown that you can work better at school when you drink water throughout the day.

3. False.Water contains natural minerals, like calcium which helps keep your bones, hair and teeth healthy. Water has no sugar in it so it does no damage to your teeth.

4. True.Healthy and hydrated muscle tissue is around 75% water.

Drinking Water Quiz

Answer Sheet


5. False.Water helps to boost your energy levels and keep you mentally alert.


z c l m b r a i n b

a p k i d n e y s c

h b o n e s c q f o

e y d e w a t e r d

a f s r w u n m e y

l n c a b i n s d x

t b e l k m u o z l

h p a s w e b j c q

y q d c a l c i u m

e x e r c i s e k b

minerals kidneys healthyexercise body brainskin water bonescalcium

Wordsearch


Uses of Water - Water for Life 1. Fascinating Facts 6/7 ... · PDF fileUses of Water - Water for Life Aims: • To introduce pupils to key facts about water and the body ... False.

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