北师大版（2019）必修第三册Unit 8 Green living Viewing workshop课件（24张PPT）

(共24张PPT)
Green Living
Viewing workshop
Unit 8
Part 1—Lead in
Nowadays, our life is becoming more and more convenient.
Lead in
Solar street lamp
Solar car
Solar heater
What is solar energy
What do we use solar energy for
What forms of energy can solar energy change into
Lead in
Show time!
Group work
Lead in
Let’s watch the video.
Lead in
In today’s lesson, we’ll learn what solar energy is.
Part 2—View and learn
View and learn
Watch the plete the information.
You can predict the answers first.
View and learn
View and learn
Let’s check!
comes from the Sun
hot
electricity
on fire
light
heat
Solar energy is energy that comes from the sun.
View and learn
View and learn
What can solar energy do to wind and plants Watch the video and choose the correct information to complete the diagram.
You can predict the answers first.
A. grind grain B. make plants grow C. power windmills
D. help generate electricity E. pump water F. move sailboats
G. give the cow energy
View and learn
View and learn
Let’s check!
A. grind grain B. make plants grow C. power windmills
D. help generate electricity E. pump water F. move sailboats
G. give the cow energy
A/ C/ D/ E/ F
G
Solar energy can help creatures live and produce.
View and learn
View and learn
How does solar energy cause matter on Earth to change into other forms Watch the video again. Complete the flow chart.
You can predict the answers first.
Discuss with your partners and share the answers.
View and learn
View and learn
View and learn
Let’s check!
ice
water
water
air
clouds
Earth
Think about the ways we can use solar energy. Discuss your ideas in small groups.
Express yourself
Group work
Part 3—Homework
Try to practice the speech in front of a mirror after class.
Homework