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人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》集体备课教案优质课下载
2. Ability goals
Enable the students to talk about inventions and distinguish discovery and invention, also help the students understand the basic procedures of an invention. Help the students improve their speaking and inspire their creativities.
3. Learning ability goals
Cultivate the students’ motivation in invention.
Teaching important & difficult points
How to distinguish inventions and discoveries.
Teaching methods
Task-based Language Teaching.
Teaching aids
A computer and a projector.
Teaching procedures & ways
Step I Warming up
Talk about inventions and discoveries.
Show some pictures about phones, ask the students who will they think about when they first saw these pictures.
Ss: Bell
T:why?
Ss: because he invented it.
T:yes,so telephone is a great invention. What about this one.
Ss: Newton. Gravity.
T: Does gravity a great invention?
Ss: No
T: Why?
Ss: Because it’s a discovery.
T: Now look at the pictures on page 19. Work in pairs and talk about the three different things, tell me Which of these pictures show inventions or whether there are any discoveries. And Work out two rules that will help you decide what is a discovery and what is an invention?
S1: I think the first two are inventions, i. e. the amphibious car and Stevenson’s “Rocket” while the last picture about the DNA is a kind of discovery. Because the first two products were quite new to people at that time and no one had ever seen or designed such kind of vehicles before though some others had made similar cars or machines which had less functions and advantages as these two. I think the picture about the DNA is a kind of scientific discovery in biology because such cells and their structure do exist in living creatures and they have been found out by a certain scientist and are made known to the public nowadays. So I think a discovery is something existing before but unknown while an invention is something unknown and not existing before.