外研版高中英语必修三《The world of science》PPT教学课件(第1课时)，共16页。
Learning objectives
To discuss how some inventions have changed over the years and to predict how they will further change over the next 50 years.
Work in groups
Look at the pictures and discuss how these objects have changed over the years.
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.
Useful expressions
It will become…
People will use … instead of …
It will be … for people to …
There will be no … because …
Reflection
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
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