(
课件网) The natural world Sea water and rain water Module 3 Unit 9 Writing: Let's save water Look and think Kitty and Alice want to write an article for the school newspaper. They want to tell others to save water. Think and say What do Kitty and Alice need to write about Let's save water! Why must we save water How can we save water What do we use water to do What will happen if there is no rain How much of the water on the Earth can we use How can we save water in our daily life Think and write What do people use water to do We need water to drink. We use water to _____ We _____ _____ _____ ... brush our teeth use water to wash our hands. Cooks use water to cook food in restaurants. Firemen use water to put out fires. Water is important to us. Think and write What will happen if there is no rain Remember to ... write about the basic needs first. use “if there is no rain, ... will ...” to show what will happen if there is no rain. If there is no rain, _____ If there is no rain, _____ _____ _____ we will have no water to drink. the crops and vegetables will die, and we will have no food to eat. If there is no rain, we will have no water to brush our teeth or to take a shower. If there is no rain, we will have no water to cook food. People can't live without water. Think and say How much of the water on the Earth can we use Almost _____ of the Earth is water. We can use or drink _____ of the water on the Earth. three quarters only 0.25% Almost three quarters of the Earth is water, but we can use or drink only 0.25% of it. Almost three quarters of the Earth is water. However, we can use or drink only 0.25% of it. Water is limited（有限的）. Look and learn How can we save water How to save water DOs DON'TS 1. Take a shower instead of a bath. 2. Turn off a dripping tap. 3. Fix a dripping tap. 4. Water the plants with grey water. 5. Don't brush your teeth under a running tap. 6. Don't play water games. 7. Don't wash the vegetables under a running tap. 8. Don't use the washing machine when it is only half-full. Read and choose Read some facts about wasting water and choose the ways of saving water. Fact Running taps can use 10 litres of water in a minute. Action(s) _____ Fact A dripping tap can waste 7,600 litres of water a year. Action(s) _____ Fact Not everything we use water to do needs clean water. Action(s) _____ 1 5 6 7 8 Change our bad habits of using water. 2 3 Check the taps regularly（定期地）. 4 Make full use of water. Look and write How can we make full use of water He is washing the vegetables with the water used（用过的）for cleaning rice. Wash vegetables with the water used（用过的）for cleaning rice. Wash mops with the water used for washing vegetables. Flush toilets with the water _____. used for washing mops Think and write Make some suggestions on saving water. Make full use of water. We can save water by _____ We can save water by _____ Change our bad habits of using water. ... ...
