watertalk相关知识学习.ppt

The map on the right shows the water’s journey. Describe the water’s journey in your own words: cloud stream the Yangtze River lake water treatment works pipe Daisy’s bathroom sewage plant sea the Hangpu River 2022/5/3 * cloud stream the Yangtze River lake water treatment works pipe Daisy’s bathroom sewage plant sea the Hangpu River Water’s Journey: The water told Daisy not to waste or pollute it because it was liquid gold. Read from P12 to P13 and do T/F was like precious F 2022/5/3 * Facts: How much water is there on the earth? Water covers almost ______of the Earth’s surface, but only about ______ is fresh water. All the rest is salt water. But less than _____ is the form of lakes or rivers. The rest is frozen as glaciers at the North and South Poles. 70% 3% 1% Think Conclude Water is very precious. We cannot waste or pollute it. Water is precious, like liquid gold. Let’s save water! Discuss: How to save water? Dont rinse your hands, clothes or vegetables under a running tap – do so in a bowl or sink. Take short showers instead of baths. If you do have a bath, use the water left over to wash the floor. Fix dripping taps. Do not play water games. Control the flow from the tap, do not always turn it to the full. Assignment: Read the story. Copy the new words and phrases. 2022/5/3 * item为核心词。 * daily为核心词。 * amount、increase、decrease和remain为核心词。 * liquid为拓展词。 * symbol为核心词。 * flow为核心词。 * Water Talk Reading (I) 2022/5/3 * A Riddle Everyday English: Guess : Who am I? I am the most common liquid. People can’t live without me. Animals and plants also need me. I can change my form. water A Riddle Group work: Water Quiz Try this quiz: You could live without water for a few ____. days weeks hours 2. Your body need about _____ litres of water daily. two eight four 3. When you exercise, you need _____ water. more less the same 4. When you freeze water, it becomes a _____. liquid solid gas 5. About _____ of Earth is covered by water. one third two thirds one half