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Unit4Topic2SectionC

I.Teaching aims

1. Knowledge aims： 

掌握本课的重点词汇和短语，了解火星的相关知识。

2. Skill aims:

能够通过所获取的文字信息，对火星有所了解，拓展自己的知识面。

3. Emotional aims: (optional)

激发学生探索宇宙的兴趣。

4. Culture awareness: (optional)

II. The key points and difficult points

Key points:

Words and phrases: solar system, Roman, god, diameter, storm, weigh, be named after, gravity,at a distance of

Sentences:

Its diameter is 53% as wide as that of the earth.

      You can tell which planet is Mars because it is bright, red in the night sky.

      The gravity on the surface of Mars is about two-fifths as strong as it is on earth.

      It takes a spaceship about eight months to reach Mars from the earth ….each other.

       It has been two days since we landed on Mars.

  Grammar: passive voice

  2.Difficult points： 

  Its diameter is 53% as wide as that of the earth.

  It has been two days since we landed on Mars.

III. Learning strategies

   通过1a学习预测文章的内容。

  通过1b利用图表复述课文。

IV. Teaching procedures

1.Present some pictures and objects to learn the new words and phrases:solar system,Roman, god, diameter, storm, weigh, be named after, gravity ,at a distance of

2.Show some pictures about Mars and let the students talk aboutMars.

3.Let the students read the sentences in1a and predict which sentences are true about Mars.Watch a video to check the answers.

4.Let the students read 1a quickly and answer the questions.

(1) What does Mars look like?

 (2) How far is Mars from the sun?

 (3) What’s the temperature on Mars?

5. Let the students read 1a carefully and do1a.Check the answers.

6.Draw a picture about Mars according to 1b and describe it.

7.Group work.Discuss in groups to find out thedifficulties and the key points.

8.Finish1c. Discuss the crazy questions with your partner and state your reasons. 

9.Write a composition: Life on Mars

10.Revise the grammer and do exerises.

11. Summarizing and assigning homework

V. Blackboard design