选修八unit3公开课v精品PPT课件

Find a problem 2 3
Test the solutions 7, 8
their bodies. They get warmth from the sun and become more active at this time. When the sun goes down at night they cool down and become less active. So extra cooling to the snake would make them even less active and easier to catch.
• I1t0uses colored lights. Red means stopping,
green means going.
What is it?
Traffic lights
What is it?
Mobile phone
• I4t0’s made of plastics anwenku.baidu.com metal.
• I3t0looks like a small box with a screen and buttons on it.
Unit 3
预习案反馈
Task I :
A/An _d_i_s_c_o_v_e_r_y__ is finding out something already existing in nature but not yet known.
A/An _in_v_e_n_t_io__n__ is something that created by human beings
______ often lead to inventions. ______are often based on discoveries
discoveries
inventions
Task V.
Task VI
Because Snakes are cold-blooded animals
which do not have a way of keeping warm in
40
• This invention looks like a bird.
• 3It0’s made of metal.
• I2t0makes it possible for people to fly to
different places in the world.
• I1t0is powered by an engine and is flown by a
Scanning
find out which paragraph or paragraphs deal with each inventing steps and fill in the blanks
Task 1
Skimming: Find out which paragraph or paragraphs
Who is he? Edison
50
• He was a world-famous inventor from Sweden.
• H4e0re is one of his photos. • H3e0invented dynamite (炸药). • A20famous prize was named after him.
What do you use to catch snakes?
Reading
The problem of the snakes
Skimming to get
general ideas
What’s the main idea of the text?
The text is mainly about the author’s experience in helping her mother get rid of the _s_n_a_k_e_s_and applying for the __p_a_t_e_n_t__ for her invention.
• W20ith the invention you can contact someone while you are walking.
• 4T0he inventor is from America. • 3H0e is one of the father of inventions. • 2T0he inventor invented the bulb.
Doing research
Deciding on the invention
1.___________________________ 2.___________________________ 3.___________________________ 4.___________________________ 5.___________________________ 6.___________________________
教学目标
知识目标：学习unit3 warming up&reading
能力目标：通过阅读课文使学生掌握阅读理 解中细节题，作者意图题的解题方法
情感目标：培养学生对发明创造的兴趣爱好 思考成为一名发明家应该具备的 性格品质
Warming up
Guess what the invention is or who the inventor is.
Who is he?
Alfred Nobel
the
Pre-reading
steps every inventor must go through
Applying for a patent Testing the solution
Finding a problem Thinking of a creative solution
pilot.
What is it?
Airplane
40
• This invention can help people in the street.
• I3t0looks like a tree standing beside the street. • I2t0directs cars and trucks.