Unit 4The Internet Connect Us Lesson19 How Do You Use the Internet?Learning AimsA. New words: Technology,desktop,tablet,keyboard,invitation,industry.B. Phrases and expressions:1.do an experiment, sb happen to do sth, fill. with, cover. with, right side up, observe sb doing sth;2.Grammar: Simple Future TenseC.Ability aims : Ss can talk about something about scientific experiments.D.Moral aims: Lead Ss to be interested in science and doing some scientific experiments.基础达标A.Warming-up: 1.Do you like to do experiments?2.What experiments have you done?_B.Word-spelling:1.One of my favorite subject is _(科学). 2.Doing the _(实验) is very interesting. 3.I_(装满) the glass with wine.4.Can you _(证明)who is right? 5.“_”(观察) is another way of saying“watch carefully”. 6.What is Dannys _(理论，学说) about what will happen.C.Translations:1.变湿 2.为什么不做某事3.科学方法 4. do an experiment5. sb happen to do sth 6. fill. with7. cover. With 8. right side up9. observe sb doing sth设问导读A. Listen and Answer:Q1: What is Brian talking about?_B. Read and Say T or F:1.Fill the jar with water. ( )2.Cover the jar with a piece of cardboard. ( )3.Turn over the jar carefully . ( )4.Danny thinks the floor will get wet. ( )5.The cardboard cantkeep the water in the jar. ( ) C. Read and translate the important sentences given, and summarize the usages of key words:1. A theory predicts what will happen. An experiment shows what happens._2.Then I turn the jar upside down._3.Im sure the floor wont get wet._4.Observe is another way of saying watch carefully._ 自我检测A .Act out the dialogue in groups.B Fill in the blanks:1.Do you like _(do) expriments.2.Please listen to me _(careful).3.Would you mind _ (turn) down the radio. 4.Thank you for _( join) us. We really enjoyed _(our). 5.The ground _ (cover) with snow when it is snowing.6.This is a kind of _ (science) method 巩固练习 ( ) 1. Could I have the television on? _. (2006.山东) A.Yes, you could B.No, you cant C.Yes, you do D.No.you dont( )2. Could you go to buy some salt for me?Sorry. Mum.I_my homework. (2006.山东)A.am doing B. will finish C.was doing D.have finished( )3.What s the trouble, doctor?Don t worry. There is _ with you. You ll be better soon .A.something much wrong B.anything much wrongC.much wrong nothing D.nothing much wrong( )4.My father often tells me _ my classmates.A. help B. to help C. helping D. helps( )5.“All over the world”is _way of _“around the world”.A.other;saying B.another;say C.another;saying D.the other; saying拓展探究Write a short passage to describe the process of the experiment in the text.作业布置1.Read and recite the text after class.2.Finish off the exercises in the matched books.3.Preview Lesson 20.