外研版（2019） 必修 第三册 Unit 3 The world of science Presenting ideas and reflection课件（16张ppt)

(共16张PPT)
Unit 3
Unit 3
The World of Science
To discuss how some inventions have changed over the years and to predict how they will further change over the next 50 years.
Look at the pictures and discuss how these objects have changed over the years.
Recorder
Telephone
Computer
Choose one of the objects in Activity 1 or an object that you use every day. Predict how it will further change over the next 50 years.
Make notes about your ideas.
My object:
__________________________________
How it will change: __________________________________
Why it will change: __________________________________
Present your ideas to the class. Use the notes in Activity 2 and the expressions in the box to help you .
It will become…
People will use … instead of …
It will be … for people to …
There will be no … because …
Useful expressions
After completing this unit, I can rate my performance 1 (excellent), 2 (good) or 3 (in need of improvement).
□talk about careers in science
□tell the story behind an invention
□write an experiment report
□think critically about what I’ve read and heard
□cultivate a spirit of innovation
I’ve learnt to make use of the following words and expressions:
_________________________________________________________________________________________________________________________________________________________
I still need to improve:
___________________________________________________________________________________________________________________________________________________
Finish your presentation.