农垦高中“导引---探究---提升”三段式教学模式导学案展示

2021年12月03日 08:08:02 访问量：354次作者:李红侯悦

Unit five Revealing nature Understanding ideas

自我评价你完成本节导学案的情况为A. 很好 B. 较好 C. 一般 D. 较差

学习目标：通过阅读课文，了解达尔文完成<< 物种起源 >> 的故事，引导学生体会科学探索的艰辛，学习科学家不畏艰难，勇敢探索的科学精神和创新精神。

学习重点:通过阅读文章，熟悉话题语境，了解文章基本结构，获取文章的主旨大意。

学习难点：1.感知记叙文的结构，按照事件发展顺序梳理达尔文的发现之旅。

2.深度思考探索的艰辛，学习科学家的不畏艰难、大胆质疑、勇敢探究的

科学精神和创新精神.

学法指导: 自主预习，结合教材，完成导学案部分。

*课前自主探究：

1.Do some research about Charles Darwin’s life story and relevant achievement.

*课上合作探究：

探究1

1.Divide the passage into 3 parts according to the time order

Before the journey

During the journey

After the journey

2.Choose the main idea of the passage and give your reasonsP52

①Darwin’s interest in various living things made him a great naturalist

②Darwin’s journey on the Beagle inspired his Theory of Evolution

③Darwin went on a journey to confirm his theory that humans had evolved over time

探究2

Number the puzzle in pieces in order.Organize information from the passage

and complete them （小组合作探究）P52

Think and share

1. What kind of person was Darwin according to the passage ?

2.How did he make such a great discovery? What can you learn from him?

训练提升1.Summary of the text

The captain of the ship named the Beagle wanted someone to profit by 1________(visit) distant countries. Luckily, Darwin got the opportunity,2______________he was not the captain's first choice. Darwin was a geologist and naturalist, 3____________(fascinate) by rocks,plants and animals. The journey gave him the chance 4__________(study) various living things in their natural environments. After Darwin 5______________(spend) some time in South America, his room was crowded with samples of the plants and animals he had collected.He began to consider the question 6_____different species came to exist. He noticed that some species of animals were very similar 7____each other.Maybe animals evolved as they adapted to their 8____________(change) environments? Darwin decided to find out the truth. In 1835,Darwin saw a variety of new species, but it was the birds that interested him the most. After much research,he came to the 9_________(conclude)that new species evolved from earlier ancestors. Darwin explained this theory in his book,On the Origin of Species , which10_______________(regard)as one of the most important works ever written. It has changed ideas about the life on Earth forever,and it all began with the journey on the Beagle.