八年级下册《Unit 3 Electricity》精品教案下载-河池市优质课

教学过程：

= 1 \* ROMAN I Warming up

1.Greet each other.

2.Let Ss show some pictures about some electrical appliances: such as: a TV, a camera, an electric fan, an air conditioner, a washing machine and so on. And then ask them to paste on the blackboard.

3.Ask Ss a question: The electrical appliances can be bought from a supermarket, do you think electricity can be also bought from a supermarket?

= 2 \* ROMAN II . Before reading

Check homework and Let Ss say out words and phrases about electricity.

1.电线 6.连接到____________

2.电缆 7.发电站_____________

3.一袋 8.过了一会儿__________

4.流经 9.回来___________

5. 某种程度上 10.发电___________

= 3 \* ROMAN III While reading

Task1: Individual work. Ss skim the whole text and find the answers of the questions.(5mins)

1.What did Benny ask Daisy to buy?

2. What does electricity give us?

3. What in batteries can produce electricity?

4. How does electricity come into homes?

Summary: From the first three answers, Ss can know electricity can be bought from a supermarket. Question 4 can lead Ss to complete the following electric cycles.

Task2: Pair work. Ss scan the whole text and finish D2. And then find sentences in text to support each blank(5mins).

1.D2 The pictures below shows electricity gets to Benny’s flat

cable power station wire

wire (2) cable (3)power station

2. Find sentences in text to support each blank.

(1)Electricity comes into homes through thin wires.(L13)

(2)Thin wires are connected to cables under the street.( L14)

(3) The cables are connected to a power station. (L16)

3.Let Ss find some verb phrases from the above sentences about electric cycles.

Ss: come into, be connected to

4. The teacher gives Ss more sentences and let them find more verb phrases about electric cycles.