资源简介

(共22张PPT)
Unit 6 Earth and Beyond
Exploring the Topic:
Thinking Skills & Reading Strategies
(Comparing and contrasting)
掌握太阳系天体（恒星、行星 ）的英文表述及特征（直径、颜色、有无生命等 ），熟知行星分类及差异相关英语知识 。
运用对比、总结策略，分析太阳系天体差异，融合天文知识与英语表达 。
借英语激发宇宙探索兴趣，分享奇妙点，保持
探索热情 。
1.How many planets can you see Name them!
2.Which one is a star What are the differences among these planets
Look at the picture.
天体 “档案配对” 挑战
“A star, super big, diameter 1,391,400 km”
“A planet with life, blue & green”
“Small inner planet, close to Sun”
“Big outer planet, made of gas”
Match them. Then share your answers and explain why!
Sun
Earth
Mercury
Jupiter
Activity 1
Comparing and contrasting
Thinking Skills
Read the text and learn how to compare and contrast similar things.
The Sun is a star. It has a diameter
of about 1,391,400 kilometers. It
may look yellow, orange, or even
red, but its real color is white.
There are no living things on the
Sun.
Earth is one of the eight planets of the solar system. The diameter of Earth is around 13,000 kilometers. It looks blue and green, and it is the only planet with life in the solar system.
Object Type Diameter (kilometers) Color With life
Sun star 1,391,400 white No
Earth planet 13,000 blue and green Yes
Activity 2
Comparing and contrasting
Thinking Skills
Read the text and complete the table.
In the solar system, the Sun is in the center, and
eight planets go around it. Asteroid Belt separates
the planets into two groups—the inner planets and
the outer planets. The inner planets are Mercury,
Venus, Earth and Mars. They are closer to the Sun.
The outer planets include Jupiter, Saturn, Uranus and Neptune. They are farther away. The inner planets are smaller and made of rocks and soil, while the outer planets are larger and made of gas with rocks inside.
Activity 2
Comparing and contrasting
Thinking Skills
Read the text and complete the table.
Group Planets Size Elements
the inner planets Mercury, _______, Earth smaller rocks and _________
the outer planets Jupiter, Saturn, Uranus ________ gas with ________inside
Venus
soil
larger
rocks
Thinking Skills
单词 词性 释义
diameter n. 直径
asteroid n. 小行星
belt n. 环形地带；腰带
separate v. （使）分开；划分
inner adj. 接近中心的；内部的；内心的
outer adj. 外围的；远离中心的；外边的
Words
Thinking Skills
单词 词性 释义
include v. 包括；包含
rock n. 岩石；摇滚乐
gas n. 气体；天然气
inside adj.&prep. 在（或向）里面
在（或向）……里
Saturn n. 土星
Words
Thinking Skills
Asteroid Belt separates the planets into two groups—the inner planets and the outer planets.
小行星带将太阳系的行星分为两组——内行星和外行星。
separate ... into ... 意为“分成；分为”。
separate … from … 意为“把……和……分开；与……分离”。
例如：
She separated the cake into six equal pieces. 她把蛋糕分成六等份。
You need to separate the white clothes from other colored ones before washing. 在洗衣服前你需要把白色衣服和其他颜色的衣服分开。
Sentences
Thinking Skills
Discuss the differences between the inner and outer
planets based on Activity 2.
Activity 3
Comparing and contrasting
1. Distance from the Sun
Inner Planets (Mercury, Venus, Earth, Mars): Closer to the Sun.
Outer Planets (Jupiter, Saturn, Uranus, Neptune): Farther from the Sun.
2. Size
Inner Planets: Smaller in size.
Outer Planets: Larger in size.
3. Composition
Inner Planets: Made of rocks and soil.
Outer Planets: Made of gas, with rocks inside.
Activity 1
Summarizing
Reading Strategies
Read the text. Underline the topic sentence for the main idea and the key sentences for each supporting detail.
Why is the sun so important There are at least two reasons:
It keeps the planets in the solar system. The sun is the biggest object in the
system. It has the power to keep all the planets moving around it.
It gives heat and light to the earth. The heat gives the just right temperature
to the living things on the earth. The light is important for people and animals to get energy, and plants need the light to grow.
主旨句
Activity 2
Summarizing
Reading Strategies
Read the text above again and complete the summary
Summary:
The text mainly talks about the importance of ____________.
In the text, we can find ______________________________
____________________ in the solar system, and____________________________________________________________.
the sun
the sun has the power to keep all the
planets moving around it
it gives heat and light to the earth which are important for
living things
Activity 3
Summarizing
Reading Strategies
Read the text and underline the important information, and then complete the summary.
The earth is our only home planet. It is neither too close nor too far from the sun. This helps the earth get enough light and heat from the sun. The earth is large, and it can hold the right type of air around it. Besides, there is plenty of water as well as some dry land on the surface of the earth. With water and land, people can live and grow food on the earth.
主旨句
Activity 3
Summarizing
Reading Strategies
Read the text and underline the important information, and then complete the summary.
Summary:
This text is mainly about why the _________________________.
The main reasons are enough ____________ and ____________,
the right type of ____________, plenty of ____________ and
some ____________ on the earth’s surface.
earth is our only home planet
light
heat
air
water
dry land
least
power
mainly
neither
nor
distance
Reading Strategies
Words
adv. 最少；最小
n. 能量；控制力；影响力；电力供应
adv. 主要地；首要地
adv. 也不 ；det.& pron. 两者都不
conj.&adv. 也不
n. 距离
Reading Strategies
Sentences
It is neither too close nor too far from the sun. 它（地球）离太阳既不太近也不太远。
neither … nor … 意为“既不……也不……”可连接两个并列成分。
例如： This bag is neither big nor small. 这个包不大也不小。
与 neither … nor … 容易混淆的短语是 either … or …，其意为“不是……就是……；要 么……要么……”。 例如：
She’s either Russian or Polish. 她不是俄罗斯人就是波兰人。
Reading Strategies
Sentences
当 neither … nor … 和 either … or … 连接两个主语时主谓搭配需遵循“就近原则”，即谓语动词的单复数形式由离谓语动词最近的主语的单复数来决定。
例如：
Either you or I am going to do the job. 这项工作要么你来做，要么我来做。
Neither the books nor the coat is Mr. Zhang’s. 这些书和这件外套都不是张先生的。
用方框内单词的适当形式补全短文，每词限用一次，使内容完整、通顺。
rock, diameter, distance, inner, outer, Saturn, include, gas, separate, power
The solar system is centered on the Sun, a star with a huge 1._________. An Asteroid Belt 2. __________ it into two parts: one with 3. ______ planets and the other with 4. ______ planets. The first group 5. _______ Mercury, Venus, Earth, and Mars. They are made of hard 6. ______ and have a short 7. ________ from the Sun. The second group, such as Jupiter and 8._______, are mainly made of 9._____ . The Sun has great 10. ______ to keep all planets in their orbits(轨道）. This star’s influence works no matter how far the distance between planets and itself is.
diameter
separates
inner
outer
include
rock
distance
Saturn
gas
power
We learn:
some words: diameter, belt, separate, inner, rock, gas, power...
Knowledge about the solar system: Planets split into inner (close, small, rocky) and outer (far, large, gaseous) groups by the asteroid belt.
some sentences : “It is neither too close nor too far from
the sun”...
We can:
Compare planets using tables (size, distance, etc.).
Summarize the Sun’s role and Earth’s features.
1.Review and spell the key words of the lesson.
2. Finish the exercise.
Thank you!

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