Unit 10 第3课时 课本讲解及语法拓展-2022-2023学年七年级英语下册同步精品课堂（牛津上海版）

Water Festival Episode3 牛津上海版 英语 七年级 第二学期 Unit 10 A：高台跳水 Think and answer Look and read   Think and answer   What happens when water boils? It turns into steam. What happens when water freezes? It turns into ice. What happens when ice melts? It turns into water. What happens when steam cools down? It turns into water. 1 2 2-1 3   Put a dry lid on a glass of hot water. After a while, take the lid off. What can you see under the lid? We can see drops of water under the lid. What happens when we put some ice cubes into a glass of warm water? They turn into water. Water ______ at 100ºC. Water ______ at 0ºC. boils freezes 1 2 2-2 4 Look and read   What are you going to do for the Water Festival, Peter? I’m going to teach you how to make a water boat. You can make it move by pouring water into it. It sounds very interesting. 4-1 1 2 3 4 5   All you need is a lunch box lid, a paper cup, a straw, some tape, some toothpicks and some pieces of coloured paper. Make a hole at the bottom of the paper cup and on one side of the lunch box lid. 4-2 1 2 3 4 1 2 6   4-3 Connect the holes in the lid and the cup with the straw. Stick the cup and the lid together with the tape. 1 2 3 4 3 4 7   4-4 Use the coloured paper to make some small flags and stick them to the lid. Put your boat on the water and pour some water into the cup. Now the boat is moving. 1 2 3 4 5 6 8 Look and say Read, number and make     Look and say All you ______ is a lunch box lid, a ______ cup, a straw, some ______, some toothpicks and some ______ ______ ______ paper. Make a hole at the ______ of the paper cup and on ______ ______ of the lunch box lid. need paper tape pieces of coloured bottom one side 3-1 1 2 3 10   ________ the holes in the lid and the cup ________ the straw. ______ the cup and the lid ________ with the tape. Connect with Stick together 3-2 1 2 3 11 ______ your boat on the ______and ______ some water into the cup. Now the boat is ______. ______ the _______ _____