人教新课标 高中二年级 book8 unit3 云安县云安中学 李秋英. genius is 1%...
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人教新课标 高中二年级 Book8 Unit3
云安县云安中学 李秋英
Genius is 1% inspiration and 99% perspiration.
A Famous Saying
---Thomas Edison
Unit 3
Inventors and
Inventions
Four Great Ancient Inventions Four Great Ancient Inventions
Warming up 1Talk about some inventions.Warming up 1Talk about some inventions.
The compass was made by MaJun . It can help people , especially sailors, to identify the direction. It is very useful to the traffic at sea.
Paper-making was invented by CaiLun. Paper makes books easier to carry. The invention and application of paper-making played an important role in the record of social history.
gunpowder
Gunpowder is used to make guns, rockets, bombs, beautiful fireworks and so on. It is widely used in science and technology.
Printing was created by BiSheng. Printing made it more convenient for people to record social history. It greatly promoted the spread of human civilization and development.
some great inventions created in the late 19th and the early 20th century.
some great inventions created in the late 19th and the early 20th century.
telephone 1876
photocopier 1937
air conditioner 1902
credit cards 1950
Penicillin 1928
= =
Warming up 2
Distinguish a discovery from an invention .
Work out rules that can help you decide what a discovery is and what an invention is ?
A discovery is___________________________________________________________.
An invention is______________________________________________________________.
Discoveries often lead to inventions.
something that
is created by human beings and does
n't exist before.
finding out something
already existing in nature but not yet
known to people.
Discoveries Inventions
Electricity
1. Household machines for washing, ironing, keeping food cold, etc
2. Computers, telephones, television, etc
Discoveries Inventions
The movement
of air
1. Airplane jet engines
2. Air balloons, etc
X-rays
1.Body scanners to see
whether you are ill
2. Machines to treat
illnesses like cancer
Look at the pictures below and discuss in Look at the pictures below and discuss in pairs which pictures show inventions and pairs which pictures show inventions and which show discoveries. which show discoveries.
an amphibious car
an invention
This is the first car that can travel safely on water and on land. This is the first car that can travel safely on water and on land.
Stephenson’s “Rocket”
an inventionan invention
It was designed by George Stephenson.It was designed by George Stephenson.
DNA
a dicoverya dicovery
This was a discovery of Francis Crick and James Watson.
Warming up 3
In pairs make dialogues to discuss
the following modern inventions
(describe them to your partner and
explain how they changed people's
life today).
Warming up 3
In pairs make dialogues to discuss
the following modern inventions
(describe them to your partner and
explain how they changed people's
life today).
Do you know the stages every inventor must go through before they can have their inventions approved?
Here give you some similar stages used in research, please put them in the suitable order.
Pre-readingPre-reading
1. Applying for a patent
2. Finding a problem
3. Doing research
4. Testing the solution
5. Thinking of a creative solution
6. Deciding on the invention
22 33 55 44 66 11
Pair workHow can you divide 13 orangesamong 9 children fairly?
Make the oranges into juice
Sum up what we learned in this lesson.1. Learn to talk about ____________and _____
_________.2. Learn what a ___________ is and what an __
__________ is.3. Learn the link between_____________and ____________.4. Learn the ________ used in scientific research.5. Through this lesson, we should learn to use the ___________ methods to solve the problem
inventionsdiscoveriesdiscoveries
discoverydiscoveryinventioninvention
discoveriesdiscoveriesinventions
stagesstages
scientificscientific
HomeworkHomework
1. Use the scientific stages to design a new 1. Use the scientific stages to design a new
invention to solve the following problem: invention to solve the following problem:
The ripe apples on your apple tree are The ripe apples on your apple tree are
too high for you to reach. What can you too high for you to reach. What can you
invent to pick the apples in comfort?invent to pick the apples in comfort?
2. Prepare Reading 1 2. Prepare Reading 1