1. WATER THE STORY OF A DROP

2. HOW IMPORTANT IS WATER? Water is essential for life, and it is present everywhere: -W-W-W-Water covers 70% of our planet

3. -6-6-6-60%/70% of our body is water

4. WHERE IS WATER? Think for a minute where you can find water. It isn’t too difficult. Here are some ideas:

5. When you have a shower When you have a shower When you go to the toilet When you go to the toilet When you wash the dishes When you wash the dishes When you are thirsty When you are thirsty

6. When it rains When it rains In rivers and oceans In rivers and oceans In theme parks In theme parks

7. Our plants and animals need water too Our plants and animals need water too

8. Water is so important that life can’t exist without it

9. Where does water come from? In this unit you are going to learn: In this unit you are going to learn: - How rivers are formed - How we get rain - How we get water from rivers to take it to our houses

10. -H-H-H-How we store and manipulate water -H-H-H-How we use water -H-H-H-How we can save water

11. SOME QUESTIONS ABOUT WATER Is the amount of water we can use limited? Is the amount of water we can use limited? Yes, it is. Only one percent is drinkable, and half of this drinkable water is found below the earth's surface Consequence: we must save water

12. All the water we have on earth is all the water we will ever have—we cannot make more. That means it is a non-renewable resource. All the water we have on earth is all the water we will ever have—we cannot make more. That means it is a non-renewable resource. How is that possible? the water cycle has recycled the water supply for billions of years. We use the same water that the dinosaurs used But, if we are not careful with water, some day we might run out of clean, fresh water. But, if we are not careful with water, some day we might run out of clean, fresh water.

13. It is important to save water, but it is also important to keep water clean. It is important to save water, but it is also important to keep water clean. How does water get dirty? Some ideas: How does water get dirty? Some ideas: - Pet waste contains harmful bacteria that can wash into rivers, streams and lakes. - Using pesticides or fertilizers in agriculture - Factories and refineries emit polluting fluids that wash into rivers and lakes

14. To clean water, we have sewage treatment plants To clean water, we have sewage treatment plants When it is clean, it can be used again at home, in agriculture, in industry, etc. so the process starts again. When it is clean, it can be used again at home, in agriculture, in industry, etc. so the process starts again.

15. Uf! It’s not easy being a drop of water. I travel a long way to get to you, in rain water through rivers and pipes through rivers and pipes under bridges or in bottles. under bridges or in bottles. Sometimes I take a rest in dams and oceans. Sometimes I take a rest in dams and oceans. Sometimes I get frozen, sometimes I become vapor, but it’s always fascinating. Come with me and find out more Sometimes I get frozen, sometimes I become vapor, but it’s always fascinating. Come with me and find out more