文档介绍：CHAPTER
FIVE
I’m a boy. My es from food.
I’m a robot. My es from electricity.
2-1
2-2
What’s in Hi’s hands?
What are Hi and Lo talking about?
Where does Lo’s e from?
What’s the weather like in the cartoon?
What will this unit probably be about?
A chicken leg and an ice cream.
Where their es from.
Electricity.
It’s rainy.
Electricity.
10-1
A1 Do you know these things? What can they do?
A2 mon points are there among them?
They all use electricity.
They change electricity into other forms of energy.
10-2
A3 What forms of energy can they change electricity into?
light energy
heat energy
movement energy
sound energy
A4 We cannot see electricity, but we can change it into energy. Then we can see, hear or feel it. Match the kinds of energy in the box with the things in the pictures. Some things may produce more than one kind of energy.
10-3
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10-4
B You will watch three short clips of video. At the end of each clip, you will see a question. Watch each clip carefully and try to answer the questions. Try to remember every item appeared in the video.
10-5