人教版高中英语必修3《Unit 4 the science of the stars》教案
教学准备
教学目标
Teaching goals 教学目标
1. Target language目标语言
a重点词汇和短语
astronomy, atmosphere, system, violent, solid, explode, carbon, dioxide, oxygen, surface, planet, harmful, development, spread, method, depend, solar system, in time, prevent…from, depend on
b重点句子
1.What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun. P25
2.It’s exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earth’s atmosphere. P25
3.It allowed the earth to dissolve harmful gases, which had become part of the earth’s atmosphere, into the oceans and seas. P25
4.Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. P26
2. Ability goals 能力目标
a. Enable Ss to talk about the science of the stars, the development of life and space travel and gravity
Where do we come from?
How did the universe begin?
Why is the universe the way it was?
How will it end?
How much do you know about universe?
Do you want to have a space travel?
Do you know something about gravity?
b. Understan...