新标准八年级上册Module 3 Unit 2教案

Module3 journey to space
Unit2 we haven’t found life on other planetsyet
教学目标：
1. To understand passage about traval involving present perfect tense.
2. To write space travel using present perfect tense.
教学重点： 完成时态的用法
教学步骤：
Step1 pre-reading
展示一幅太阳系的图画，让学生谈论太阳系的知识，教生词earth mars sun universe planet sola system glaxey（目的是激活话题，解决阅读理解中要遇到的生词。）
Step2 Reading
1、Read the passage by themselves,put the words and expressionsin the box in order:small-large. Planet - star –solar system – galaxy –universe.(采用小组和同伴讨论的方式，引导学生通过阅读掌握单词所表达概念的大小)
2、Read the passage carefully this time ,choose the best title
3、Check the true sentences(Activity 4)
4、Notes:
﹙1﹚1Millions of 上百万 注意million hundred thousand billion 前面有数字时，其后面不能带s,没有数字时，词尾要加s,并与of连用
（2） go around 围绕….走
（3）.none of 相当于no one/nobody(指人) nothing (指物)
（4） a long way away远离……
（5）.It is hard to understand how large the universe is.理解宇宙有多大是困难的
（6）.The sun and its planets are called the solar system. are called是被动语态，译为被叫做….
5、listen to the tape and repeat the passage.
Step3 A test :Fill in the blanks
1)The sun is a in the solar system .the earth is a and it go around the sun .
2) Although there are planets around the sun .
3).There are more than 200 billion stars in our
4)We have sent lots of spacecrafts to ,but we haven’t on other planets yet
Step 4. Homework
句子翻译 课堂练习第3 大题。
反思：本单元是阅读课，教学的目的主要是培养学生学会阅读短文，在课堂上通过活动，讨论 做练习的方式引导学生去理解短文，掌握短文中的重点和难点，判断句子的正误，用所学到的词组和语法去写些简单的句子。