Unit4Astronomy教学设计

Unit 4 Astronomy: the science of stars

Warming-up and Reading 教学设计

1.Teaching Aims

a.Get students to learn the useful new words and expressions in this part:

astronomy, astronomer, astronaut, the solar system, the universe, the Milky way, the Galaxy

b.Develop students’reading ability and let them learn different reading

skills.

c.Enable students to know about the development of the earth.

d.Train students’interest in science and stimulate their love for

astronomy.

2.Teaching important points

a.Let students read the passage and learn about the development of the

earth.

b.Get students to learn different reading skills.

3.Teaching difficult points

a.Enable students to understand the passage and know about the

development of the earth.

b.Let students learn how to use different reading skills for different

reading purpose.

4.Teaching aids

A multiple-media computer

5. Teaching Procedures

Step 1. Show teaching aims

Step 2. Warming- up

1.Introduce some words related to astronomy.

the Galaxy/the Milky way

the solar system stars, planets, satellites

2. Let students say out the names of the eight planets and the correct order of their distance to the sun

The names of the eight planets: Mercury, Uranus, Mars, Neptune, Satune, Venus, Earth, Jupiter

3. Discuss how the names of the planets came from.

Step 3. Reading

1.Listen to the tape.

2.Let students discuss Exercises 1 on page 27 in group of four. Main idea of each paragraph

Para.1 How the universe began

Para.2 How the earth and water began

Para.3 The importance of water for life

Para.4 How plants and animals began

Para.5 The arrival of humans and their effect on the earth Step 4. Summary

Step 5. Watch a video.

Step6. Homework