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1、Lesson 27 Danny the “Dry-o-saur” !examine v. 检查检查discover v. 发现发现;发觉发觉conclusion n. 结论结论explain v. 解释解释weird adj. 奇异的奇异的mud n. 泥泥liquid n. 液体液体solid n. 固体固体Words and expressionsspoon n. 匙匙cornstarch n. 玉米淀粉玉米淀粉spoonful n. 一匙的量一匙的量mix v. 混合混合; 调配调配pour v. 倒倒; 灌灌; 流出流出.dissolve v. 溶解溶解; 溶化溶化press v. 压
2、压; 挤挤Read the text and find out these sentences true or false.1、Jenny is explaining the experiment. （ ）2、Dannys theory is that hes going to wet. （ ）3、Brian is wrong at last. （ ）4、Brian used glue. （ ）TTFF5、The force of the air is strong enough to hold the water . （ ）6、Sugar and salt dissolve in water
3、 and cornstarch dissolves in water， too. （ ）7、When you hit mud in a bowl or water，they are the same. （ ） TFFLanguage Notes 1. Danny the “Dry-O-Saur”! 意思是意思是“Danny the dry dinosaur”。2. We are going to show you an interesting experiment. 句意为句意为“我们将给你们演示一个有趣的实验。我们将给你们演示一个有趣的实验。”其中其中show vt.出示，给出示，给看看；.
4、 常见用法常见用法（a）show sb. sth.和（和（b）show sth. to sb.均为均为 “出示某物给某人看出示某物给某人看”。 Can you show me your photographs?=Can you show your photographs to me？ 把你的照片给我看看好吗把你的照片给我看看好吗?n 但当但当sth. 为代词时，应该用（为代词时，应该用（b）句式。）句式。 Please show it to me.请给我看看它。请给我看看它。3. Brian will take his hand off the cardboard. Brian将要把手从纸板拿
5、开。将要把手从纸板拿开。 take sth. off sth. “使某物离开或脱离使某物离开或脱离” take off 还表示（飞机）起飞，匆忙离开还表示（飞机）起飞，匆忙离开 The plane will taking off in five minutes. 飞机五分钟后起飞。飞机五分钟后起飞。 take sth off. / take off sth. 还有还有“脱掉脱掉”的含义的含义 Please take off your coat. Its hot here. 请把你的外套脱掉，这很热。请把你的外套脱掉，这很热。 4. The force is strong enough to h
6、old the water. 气压能把瓶子里的水托住。气压能把瓶子里的水托住。 enough to do sth. “足够足够做某事做某事” The boy is strong enough to carry the box. 这个男孩很壮实可以搬动这个箱子。这个男孩很壮实可以搬动这个箱子。 enough adj.足够的，充分的足够的，充分的 There is enough food for you. 每人都能得到足够的食品。每人都能得到足够的食品。点拨点拨enough 用作用作adj.时时, 放在被修饰词之前或之放在被修饰词之前或之后均可后均可,但用作但用作adv.时时, 应放在被修饰的形容
7、词或应放在被修饰的形容词或副词之后。副词之后。 The ice is hard enough to skate on. 冰层足够厚，可以滑冰。冰层足够厚，可以滑冰。 5. Put eight spoonfuls of cornstarch into the bowl. 把八勺玉米淀粉放到碗里。把八勺玉米淀粉放到碗里。 spoonful 可数名词，表示可数名词，表示 “一勺的量一勺的量”。众里挑一众里挑一选择最佳答案。选择最佳答案。1. It looks like my pen, please show it _ me. A. to B. at C. / D. with 2. When you can ride the bike by yourself, I will take my hand _ you. A. out B. down C. to D. off 3. He is not old _ to go to school. A. enough B. so C. full D. too
