Warming up、Pre-reading、Reading、Comprehending优质课教案内容

英语选修六Unit4导学案

课题：Warming up and Reading Learning aims （1）Ss learn something about energy and separate energy. （2）Ss can learn global warming and greenhouse effect. （3）Ss can increase the awareness of environmental protection. 课前检测单一

1.

Make a list of the things that consume energy in our home, school, or

any other places.

_______

________

________

_________

_________

_______

________

________

_________

_________

2. Where does all this energy come from? ___________________________________________________________ 3 We can divide the energy into renewable energy and non-renewable energy?

课中探究单二

1. What is CO2, CH4 & N2O? ___________________________________________________________

来源学科网][2. Who is responsible for greenhouse effect? ___________________________________________________________ 3. Where does smoke from that increase in level of CO2?[来源:Zxxk.Com]

___________________________________________________________ 4. Where does smoke from that increases in level of greenhouse gases? ___________________________________________________________

来源学科网][来源:Z+xx+k.Com][5. Tree _____ CO2 and _____ the balance in atmosphere. 6. However, _________are cutting trees for roads and ______, which leads to deforestation( Chinese meaning:_______)? 7. Layer of greenhouse gases is becoming _____, which traps more ______ and increase in ________ temperature of earth.

What is greenhouse effect? That is to say when small amounts of gases in the atmosphere, which means greenhouse gases, trap heat from the sun and warm the earth. What is global warming? The thicker layer of greenhouse gases traps more heat. This results in an increase in average temperature of the earth and the earth becomes hotter

and hotter. This is called global warming.

达标检测单三

1. Look at below two pictures and tell your feelings to you group partners and then write down. ____

_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Watch a short charity ads. Write the bad effect of global warming down. _____________________________________________________________________________________________________________________ 2.Please tell your advice on how to protect

the earth from hurting worse. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

______________________________________________________________________________________________________________________

Summary and homework.

New words

___________________________________________________________ ___________________________________________________________ Sentence structures. ______________________________________________________________________________________________________________________

来源:学科网ZXXK][Dialogues and definitions ______________________________________________________________________________________________________________________Advice on how to protect environment ________________________________________________________________________________________________________________________________________________________________________________ 结合26页课文做金版教程41页和42页。