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(共19张PPT)
Unit 3
初中英语沪教版七年级上册
seasons
The
Lesson 6
Cross-curricular connection
Learning objectives
1. 理解并正确使用与季节及地球运动相关的关键词汇，如equinox, solstice, tropics, equator, pole, season, sunlight, direction, temperature 等。
2. 阅读语篇，获取“四季形成原因”。
3. 提取并列举关于全球不同地区季节差异的具体细节，理解不同地理位置的季节模式差异。
4. 认识气候对日常生活的影响，联系实际解决相关生活问题，如旅行安排等。
重点
重点
We have learnt about the four seasons in this unit, but why does the Earth have four seasons Does every place on Earth have four seasons
Think and share
Learn and match
Earth
equator
hemisphere
tropics
poles
rainy season
dry season
Match the words with their meanings.
雨季
地球
旱季
赤道
（地球的）半球
地球两极 （南极和北极）
热带地区
Choose and fill
1. Countries located right on the ________ usually have hot weather all year.
2. When it is summer in the Northern ______________, it is winter in the Southern ______________.
3. In the tropics, many regions have a _____ season and a dry _______.
equator
hemisphere
hemisphere
season
Choose the correct words and fill in the blanks.
Earth equator hemisphere tropics poles rainy season dry season
rainy
Observe and learn
① 图中二分二至日均指北半球
② equinox / ekw n ks / n.昼夜平分时; (春或秋)分
③ solstice /s lstis / n.至(点); (夏或冬)至
春分
冬至
秋分
夏至
Read and predict
What is the passage mainly about
The passage mainly explains why we have different seasons because of the Earth’s position relative to the sun.
As our planet moves around the Sun, the light from the Sun falls on the Earth from different directions. This helps create the seasons.
Skim and answer
Why does the Earth have four seasons
Underline the sentences.
Read Para.1 carefully and fill in the blanks.
At different times of year, there is _____________in some places, and _______________in others.
Read and fill
more sunlight
less sunlight
1. What does more sunlight in some places mean
Read Para.1 carefully and answer the questions.
It means longer days and warmer weather.
Read and answer
2. What does less sunlight in some places mean
It means shorter days and colder weather.
The seasons fall at _________________of year around the world.
Australia-- spring China -- __________
Example:
China -- Summer: From ________to ________
Australia -- Summer: From__________to __________
different times
June
August
December
February
autumn
Read Para. 2 carefully and answer the questions.
Read and answer
Does every place on Earth have four seasons
--The________and the ___________ parts of the world don’t have four seasons.
What places have only two seasons Name both types of places and what their two seasons are.
Read and answer
hottest
coldest
Read Para. 3 carefully and answer the questions.
Places close to the equator / tropics - a rainy season & a dry season
North/South Poles - a very, very cold winter &a somewhat less cold summer.
Think and discuss
1. Why do seasons change
As our planet moves around the Sun, the light from the Sun falls on the Earth from different directions. This helps create the seasons.
Discuss the questions in your group and share your answers.
Tropics / equator (e.g., Brazil, Indonesia, Kenya - rainy / dry seasons)
North / South Poles (e.g., Arctic, Antarctica - a very, very cold winter / a somewhat less cold summer)
...
2. Can you give some examples of places that don’t get spring and autumn
Think and discuss
Discuss the questions in your group and share your answers.
Role-play
Imagine you are a travel agent. A client tells you he hates cold weather and wants to travel somewhere warm in December. Based on what you learned today, please make a travel plan for him and explain why you choose it.
Where would you suggest him to travel to
Why will it be warm there in December
Imagine you are a travel agent. A client tells you he hates cold weather and wants to travel somewhere warm in December. Based on what you learned today, please make a travel plan for him and explain why you choose it.
Where would you suggest him to travel to Why will it be warm there in December
Example:
I recommend the tropics, such as Brazil or Kenya, for December travel. Both countries are in their summer season, with warm temperatures and plenty of sunshine, despite occasional rain.
Role-play
Summary
As our planet moves around the Sun, the light from the Sun falls on the Earth from different directions. This helps create the seasons.
Key words
key content
The hottest and the coldest parts of the world don’t have four seasons.
Earth, equator, hemisphere, tropics, poles, rainy season, dry season, sunlight, direction, temperature等。
Homework
Draw a simple diagram (sun + tilted Earth) and label “summer in Beijing” and “winter in Sydney”. Under the diagram, write 40–50 words to explain the reason.
Bye-bye!

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