Unit 5 lesson 30 Science Affects Us 课件(共8张PPT)

(共8张PPT)
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Lesson 30 Science Affects Us
What is it for
Free Talk
the most amazing science invention in 2017
Fast-reading
2. what happens in the experiment
The cardboard holds the water in the jar!
1. what tools does Jenny prepare for the experiment
A jar full of water and a piece of cardboard
Careful reading
2. How does Jenny do the experiment (steps)
First, ___________the jar ___________the cardboard
and _________ the jar ___________.
Next, ____________ your hand ____________
3. If we use a pingpang ball instead of the cardboard,
what will happen
cover with
turn over
take off
1. what can we discover from the experiment
The air pressure pushing up on the cardboard is higher than that of the water pushing down from inside the jar.
The higher air pressure outside the jar holds the cardboard in place.
Listening
listen to Wang Mei's e-mail and fill in the blanks
Science affects people's ____________lives. Without the scientific developments of recent years, our lives would be very different. Can you imagine life without computers or
_______________ Scientific _________________are making our lives better and better. DNA is really one of the most amazing things on the earth. Many people think it will _________
the world.
everyday
mobile phones
discoveries
change
He cleans the street ________, and it is his
________ work.
every day
everyday
Let's do it
discover affect that in place develop
1. What parents do will ___________ their children.
2. The experiment led to a wonderful _________.
3. With the ____________ of science, our country is becoming stronger and stronger.
4. Have you got all the knives and forks __________ yet Dinner is ready.
5. The weather is hotter today than_____ yesterday.
affect
discovery
development
in place
that
Here are some inventions. How do they affect our everyday lives
with TV: I watch TV to get information
without TV: I would spend more time talking with my family.
Writing
Write at least (40- 60) words on the topic
“My Favorite Invention ”
Including: 1. What is the invention
2. What is it used for
How does it affect our life
小小发明，大大改变，介绍你最喜欢的发明。