中小学英语课件 Unit 4 A servant of mankind.pptVIP

Electricity Reading A A servant of mankind New words: energy electricity Questions: What does Lo’s energy come from? What about Hi? flat battery chemical Daisy Benny First reading: Read and complete. Information about electricity What’s it? It _____ _______ a wire. It’s like _____, in a way. What can we use it to do? We can do all kinds of things, like _______ TV and _______ the air conditioner. What does it look like? We can’t see electricity, but we can change it into different ______ of ________. Then we can see, hear or feel it. flows watching running forms energy through water Second reading: Read and finish ex A3. 1 2 4 3 5 light bulb power station 1 2 4 3 5 light bulb wires street cable power station How does electricity get to Benny’s flat? How does electricity make the light bulb shine? Electricity flows through the cable and wire into our flat. Post reading: Retelling What do you think of electricity? Electricity is ___________ to us. It’s a ________ of _________. useful/helpful/important servant mankind