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Getting ready
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Getting ready
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Getting ready
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Getting ready
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Daisy, who studied something on electricity in a physics（物理） lesson. Let's see what she learnt in the lesson.
bulb
wire
cable
switch
battery
What did she learn in the physics lesson?
A. mechanics(力学) B. heat（热学）
C. light D. sound E. electricity
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There are different ways of
producing electricity.
What do you know about …?
heat power
nuclear power
wind power
water power
solar power
Don't forget me!
After class, when Daisy went home from his lesson, her naughty brother Benny left her a problem to solve. Then let's read the text and see what happens.
Before you read