人教版高中英语必修三 Unit 4 Astronomy：the science of the stars Reading教案

人教版高中英语必修三
Unit 4 Astronomy Reading--the science of the stars
Student analysis学情分析
After learning words and expressions, students have learned something about the topic, Astronomy: the science of the stars.This class, students will learn more about the topic. The words and expressions would help students to understand the passage easily. Besides, most students are interested in the topic, which is good for them to further broaden their horizon. Most students’ English are poor in my class, so I should prepare this period in a simpler way.
Teaching aims 教学目标
Knowledge and ability aims?知识与技能目标
???1.Get students to grasp some important new words and expressions.
???2.Enable students to develop their reading ability and try to use some reading strategies such as guessing, key sentences, fast reading?and so on.
Emotional aims?情感目标
???1.Enable students to understand the common sense of astronomy.
???2.Develop students’?sense of cooperation.
Teaching key point 教学重点
???1. Get Student to read the passage and learn about the common sense of ?astronomy.?
???2. Improve?the?students’ reading ability by?fast reading and careful reading.
Teaching difficult point教学难点
???1.?To guide the students to understand the passage and know about the common sense of astronomy.?
???2.?Get Ss to use different reading skills for different reading purposes.
Teaching Methods?教学方法
???1. Task-based teaching and learning; 2. Cooperative learning
Teaching Aids?教学辅助手段
???The multimedia and other normal teaching tools
Teaching Procedures?教学过程
???Step 1??lead-in (discussion)
Where are human being from?
(suggested answer:Darwin,Nuwa, Pangu, God)
???Step 2 ?Reading
1. Fast Reading
??1)?Please read the passage quickly and match the main idea of each part.
A; The importance of water for life
B: A theory about how the universe was formed
C: The formation(形成） of the earth
D: The arrival of humans and their effects on the earth
E: The arrival of humans and their effects on the earth
Para.1 para.2 para.3 para.4 para.5
divide the passage into two parts
Part1: the origin of the Earth.
Part2: the development of life.
Careful reading
???
Read the paragraph 4-5and then fill in the chart.
???Step 4 ?Summary
Read the passage again and finish the following chart
After the “big bang”, the earth was still just a cloud of _______,it _______loudly with fire and rock, which were _____ to produce _______ _, water vapour and other gases. Then ________ began to appeared on the earth.
The arrival of ___________ encouraged the ___________of early _____________ _. Many millions of years later __________________ began to appear _________. Later ____________ appeared. Some were________. Others called __________, were able to live on lands well as __________. When the plants grew into forests, _________ appeared for the first time. After they disappeared, _________became more important. They were the last group of animals different from because they _________milk from within their bodies.
Step5 discussion
What can we do to prevent the earth from becoming hotter and hotter?
?Step6 ?Homework
1. Search for more knowledge about the common sense of astronomy.
2. Recite the new words and preview the language points.
板书设计
Unit 4 Astronomy
Reading--the science of the stars
I. Lead--in ?????????????????????????????G1:
II. Fast reading ?????????????????????????G2:
III. Careful reading ??????????????????????G3:
IV. Summary G4
V.Discussion
ⅥHomework