资源简介

(共14张PPT)
Unit 6 Earth and Beyond
Theme Reading
Learning Objectives
运用总结的阅读策略总结文章的主旨。
在对比和比较的思维技巧帮助下梳理文章的主旨要义和关键细节。
通过了解太阳系，激发学生探索宇宙的兴趣。
Review the objects in the solar system.
b.
the Sun
c.
Mars
d.
Mercury
e.
Earth
f.
Jupiter
a.
Neptune
Lead-in
Pre-reading
Look at the pictures and discuss the questions.
1. Which planet do we live on
2. Which planet is the largest
3. Which planet do you think might have life
4. Which planet is the closest to the Sun
Pre-reading
Look at the pictures and discuss the questions.
1. Which planet do we live on
2. Which planet is the largest
3. Which planet do you think might have life
4. Which planet is the closest to the Sun
The earth
Mars
Jupiter
Mercury
While-reading
Skim the text and underline the important information.
When you look up at the sky at night, you can see many stars. But do you know the Sun is a star too Yes, it is the only one in the solar system. As a star, the Sun has eight planets around it, and Earth is one of them.
Among the eight planets, Earth is a middle-sized one, with a diameter of around 13,000 kilometers. Three of he planets are smaller than Earth. They are Mercury, Venus and Mars. The other four planets are larger. They are Jupiter, Saturn, Uranus and Neptune. In the solar system, Jupiter is the largest planet, with a diameter of about 140,000 kilometers.
Mercury is the closest planet to the Sun, at a distance of about 58 million kilometers, while
While-reading
Skim the text and underline the main information.
Neptune is the farthest, at a distance of about 4.5 billion kilometers. As for Earth, it is the third closest, closer than Mars but farther away than Venus and Mercury. Mercury and Venus are much hotter than Earth, while Jupiter, Uranus and Neptune are much colder. For example, the temperature on Neptune is around minus 200 ℃. No living things can survive on these planets. As our home, Earth is alive with life because it is neither too hot nor too cold. Mars is more similar to Earth in size and temperature. And there’s also ice there! So scientists are looking for life on Mars.
Besides the eight planets, there are many other smaller ones. Together, they make up the amazing solar system.
distance /'d st ns/ n. 距离
minus /'main s/ prep. 零下
survive /s 'vaiv/ v.生存，存活，幸存
be alive with同义短语be full of
Read the text and and summarize the main idea
This text maily talks about _________ in the solar system. In the text, we can find most of the planets are very _________________ Earth, while Mars may be similar to Earth in ____________________.
Summary:
planets
different from
size and temperature
Applying
be similar to 和...相似
While-reading
Activity 3 Read the text again and complete the chart with the
main idea of each paragraph.
Introduction
Body
Conclusion
Para. 1: The solar system: the Sun and its _______________.
Para. 2: The ________ of the eight planets.
Para. 3: Distance from the Sun and ____________ of the eight
planets; there is life on Earth and scientists are looking for _____ on Mars.
Para. 4: The Sun and all the ___________ make up the amazing solar system.
planets
sizes
temperatures
life
planets
While-reading
Activity 4 Complete the comparison chart according to the text.
Planet Size Distance from the Sun Temperature
Earth diameter of ______________ kilometers the third closest neither too hot nor too cold
Mercury __________ than Earth ____________ kilometers ____________ than Earth
Neptune _________ than Earth __________ kilometers around minus __________
Jupiter diameter of ______________ kilometers / ____________ than Earth
around 13,000
smaller
about 58 million
much hotter
larger
about 4.5 billion
200℃
about 14,000
much colder
Post-reading
Retell the text according to the comparison chart.
Planet Size Distance from the Sun Temperature
Earth diameter of ______________ kilometers the third closest neither too hot nor too cold
Mercury __________ than Earth ____________ kilometers ____________ than Earth
Neptune _________ than Earth __________ kilometers around minus __________
Jupiter diameter of ______________ kilometers / ____________ than Earth
around 13,000
smaller
about 58 million
much hotter
larger
about 4.5 billion
200℃
about 14,000
much colder
Activity 5 Find out other planets in the solar system on the internet, and then share the information in your class.
Mars is the fourth planet from the sun in our solar system and is named after Mars, the Roman god of war. It is much smaller than the earth. Its diameter is 53% of the earth’s. ... ...
Example:
Group work
Summary
We learn:
the differences and similarities of the Sun and planets.
how to apply the reading strategies of summarizing.
how to use a comparison and contrast chart to retell a text.
We can:
have a better understanding of the diversity of nature.
describe the solar system in our own words.
Homework
You should:
use the new words and phrases to talk about the planets.
retell the text fluently with the help of comparison and contrast chart.
You may:
search for some information about two other planets.
draw a comparison and contrast chart about them.
share it in class.

展开更多......

收起↑