资源简介

(共24张PPT)
Unit 6 Earth and Beyond
Lesson 7 Reading for writing
Pre-writing
While-writing
Summary
Homework
the Earth and Its Neighbor—Mars
Lead-in
Post-writing
Pre-writing
While-writing
Homework
Post-writing
Do you know the names of these planets in the solar system
Lead-in
Summary
Pre-writing
While-writing
Homework
Post-writing
Yes, I can see the Sun, Earth, and Mars. And there's also Jupiter!
Lead-in
Summary
Lead-in
While-writing
Homework
Post-writing
Pair work. Color the sun, Earth and Mars. Talk about Earth’s other neighbors you know.
Summary
Pre-writing
Teacher, can I color the Sun orange
Of course! Orange is a perfect color for the Sun.
Lead-in
While-writing
Homework
Post-writing
Earth and its neighbors
Summary
Pre-writing
The Sun is usually yellow or orange. The Earth is blue (for oceans) and green (for lands). Mars is often red.
Lead-in
While-writing
Homework
Post-writing
Earth and its neighbors
We talked about Venus. Venus is the second planet from the Sun. It’s very hot because its atmosphere is thick and full of greenhouse gases, which trap heat.
Mercury is the first planet from the Sun. It’s small and has a lot of craters on its surface.
Summary
Pre-writing
Lead-in
Pre-writing
Homework
Post-writing
Read the text about Earth and Mars ,answer the questions.
1.What’s the main idea of the text
The main idea of the text is to introduce the similarities and differences between Earth and its neighboring planet Mars.
Summary
While-writing
Lead-in
Pre-writing
While-writing
Homework
Post-writing
Read the text about Earth and Mars ,answer the questions.
Summary
2.Do you know Mars What do you think Mars is like
I know Mars! It’s often called the "Red Planet" because its soil has iron oxide—basically rust—which makes it look reddish.
Is there any life in outer space We may think of the same planet—Mars.
Lead-in
Pre-writing
Homework
Post-writing
3.What’s Mars’ approximate diameter
Mars is smaller than Earth. It has a diameter of around 6,800 kilometers and Earth’s diameter is around 13,000 kilometers. Mars looks red because of its red soil, while most parts of Earth look blue because of its oceans.
Summary
While-writing
Read the text about Earth and Mars ,answer the questions.
Lead-in
Pre-writing
Homework
Post-writing
4.About how far is Mars from the Sun
As a neighbor planet, Mars is farther from the Sun than Earth. Mars is about 228 million kilometers away from the Sun, while Earth is about 150 million kilometers away. That is why Mars is colder than Earth.
Summary
While-writing
Read the text about Earth and Mars ,answer the questions.
Lead-in
Pre-writing
Homework
Post-writing
5.What's the average temperature on Mars
The temperature on Mars is about minus 63°C; here on Earth, the temperature is about 14°C on average. Although the two planets have many differences, they have something in common—water. On Mars, there’s a lot of ice under the ground; On Earth, we have water both on and under the ground.
有共同之处
Summary
While-writing
Read the text about Earth and Mars ,answer the questions.
Lead-in
Pre-writing
Homework
Post-writing
Read the text about Earth and Mars and complete the table.
Pair work
(访谈与记录)
Planet Diameter Distance from the sun Average temperature Water
Earth
Mars
Summary
While-writing
Around 13,000 kilometers
About 150 million kilometers
About 14°C
Water exists both on and under the ground.
Around 6,800
kilometers
About 228 million kilometers
About
-63°C
A lot of ice is under the ground.
Lead-in
Pre-writing
Homework
Post-writing
Draw a table to compare two planets, and then draft your essay. The phrases and sentence patterns may help you.
Useful phrases Useful sentence patterns
Summary
While-writing
because of...
away from...
on average
in common
It has a diameter of around...
That is why...
There is a lot of...
...is waiting for is to explore,and so is...
Lead-in
Pre-writing
Homework
Post-writing
Draw a table to compare two planets, and then draft your essay. The phrases and sentence patterns may help you.
Step 1 Choose planets: For example, choose Earth and Venus.
Summary
While-writing
Example
Lead-in
Pre-writing
Homework
Post-writing
Step 2 Draw a table to compare two planets.
Planet Diameter Distance from the sun Average Temperature Special Features
Earth
Venus
Summary
While-writing
Around13,000 kilometers
Around12,104 kilometers
Around150 million kilometers
Around108 million kilometers
About 14 °C on average
Around 462°C
on average
Has water both on and under the ground;Supports various life forms.
Has a thick atmosphere full of greenhouse gases;Looks very bright in the sky.
Example
away from the Sun.Earth
Lead-in
Pre-writing
Homework
Post-writing
Step 3 Fill in the blanks.(Ⅰ)
Earth and Venus(金星)
Earth and Venus are both planets in the solar system, but they have many
differences.
Earth has a diameter of , while Venus has a diameter of . Venus is away from the Sun, which is closer than Earth that is
around 13,000 kilometers
about 12,104 kilometers
about 108 million
has water both on and under the
about 150 million
away from the Sun.Earth
kilometers
ground and support various life forms.
Summary
While-writing
Example
Lead-in
Pre-writing
Homework
Post-writing
Step 3 Fill in the blanks.（Ⅱ）
The average temperature on Venus is , much hotter than Earth's average temperature of . That is why Venus is a very hot planet.
Although they are different in many ways, they both are planets in the solar system. .
around 462°C
about 14
Venus looks very bright in the sky because of its thick atmosphere and
greenhouse.
Venus is waiting for us to explore, and so is the whole universe.
Summary
While-writing
Example
Lead-in
Pre-writing
While-writing
Homework
Choose other planets to write.
(Show time 展示、佳作欣赏、评比)
Summary
Post-writing
Good:
Bad:
How to make it better:
Awards:
Best Writing Award“最佳写作奖”
Future Star“未来之星”
Unlimited Creativity Award“创意无限奖”
Master of Language“语言大师”
Best Expressiveness“最佳表现力”
Self-Evaluation
Can you... Excellent Good Not bad Need work
introduce Earth and one of its neighbors
use the thinking skill of making comparison and contrast
organize ideas into a well-balanced structure
express your view of scientific exploration
Evaluation
Lead-in
Pre-writing
While-writing
Homework
Developing
Summary
Post-writing
We should actively continue to explore their mysteries and make
contributions to the development
of society.
Summary
Lead-in
Pre-writing
While-writing
Homework
Post-writing
Summary
We learn:
We can:
Summary
·the sample about the topic-Earth and its neighbors.
·how to complete a writing task according to a comparison chart.
·evaluate our own and classmates' writing to improve our writing ability.
·have a better understanding of the universe and develop an interest in exploring the universe.
Lead-in
Pre-writing
While-writing
Summary
Homework
Post-writing
Must do：
Choose to do：
1. Review what you learned today.（复习本节课）
2.Collect information about celestial body fragments and form the materials for an exhibition.
(收集星体碎片资料，形成材料做展览).
1.Introduce the differences
between earth and Mars
to your family orally.
（向家人口头介绍地球与火星的不同）
2.Choose the earth and other planets to draw a comparison chart and write a short essay with at least 100 words.（选择地球和其他行星画出对比图表，写一篇不少于100词的短文）
THANK YOU

展开更多......

收起↑