M1U1Energy能量科普英语初中高年级版2015年.pdf
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1、第一部分阅读材料 Part One Reading Materials M1U1 物质科学 Physical Science 能量 在本单元 , 我们将学习关于能源 , 正如我们所知 , 人类需要能源生存 , 如何获得的能量将成为中央点。 In this unit, we will learn about energy, As we know that humans need energy to survive, how the energy can be obtained will become the central points. 学习目标: Learning Objectives: 1
2、. 作为能量的一个来源来理解太阳 Understand the sun as a source of energy. 2. 了解能量从温暖的物质转移到凉爽的。 Understand how energy is transferred from warm substances to cooler ones. 3. 了解如何使用不同的发电能源。 Understand how electricity is generated using different sources of energy. 4. 了解日常机制 (如火车和船 )是动力的能源。 Understand how everyday mec
3、hanisms like trains and boats are powered by energy. 科学百科全书 Science Encyclopedia 1.能源可以分为两类:可再生和不可再生能源。 Energy can be divided into two categories: renewable and non-renewable energy. 2.可再生能源的来源是地热,风能,水能,生物质能,太阳能。 Renewable energy sources are geothermal ,wind,hydropower,biomass,and solar. 3.大多数可再生能源用
4、于发电。 Most renewable energy sources are used to produce electricity. 4.不可再生能源是铀矿(核能)和化石燃料 (煤、石油 /石油和天然气 ) Non-renewable energy sources are uranium ore( nuclear energy) and fossil fuels(coal, petroleum/oil, and natural gas) 物质科学 Physical Science 1.环境与能源之间的关系是紧密相连的。 The relationship between the environ
5、ment and energy is closely connected. 2.每一种能源的使用都会对地球产生影响,无论是排放气体的产生, 影响环境的建设和能源植物的 建设和生态系统的影响。 The use of each source of energy has an impact on Earth whether it is the creation of emission. gases that affect the environment or the construction of energy plants and the effects on ecosystems. 太阳能 So
6、lar energy Warm up 热身 你有没有想过什么能量使植物生长? Have you wondered what energy makes a plant grow? 你读的时候要思考的大问题. Big question to think about while you read. 太阳能如何在我们的日常生活中使用?How can solar energy be used in our daily life? content Vocabulary 内容词汇 1. solar energy (the energy that comes from the sun)太阳的能量 ( 来自太阳
7、的能量 ) 2. renewable adj. (of energy and natural resources) that is replaced naturally or controlled carefully and can therefore be used without the risk of finishing it all. 可再生的 . 这是自然的或是可以控制的,因此可以使用,而不需将它完成的风险就可以使用了. 3.Styrofoam (a soft light plastic material that prevents heat or cold from passing
8、 through it,used especially to make containers) 聚苯乙烯泡沫塑料一种 能防止热或冷的柔软的塑料材料,特别是用来制造容器的 课文: Within the human body, there are many changes and processes that take place. Blood circulates through our veins and arteries. The nervous system sends and receives signals from one part of the body to another. O
9、ur glands secrete hormones. These systems all require energy.Where do we get this energy? We get our energy from the food we eat. All of the above need what our body needs to function a source of energy. 在人体内,有很多的变化和过程,发生。血液循环通过我们的血管和动脉。神经系统发送和接收来 自身体的一部分的信号到另一个部分的信号。我们的腺体分泌荷尔蒙。这些系统都需要能量,我们 从哪里得到这个能
10、量?我们从食物中得到的能量。所有上述需要我们身体需要的能量来源。 Human beings have learned to use different sources of energy from ourplanet.Energy sources are divided into two categories; renewable and non-renewable. 人类已经学会了使用来自地球不同的能源。能源主要分为两类;可再生和不可再生。 Solar energy is produced by the sun. The sun is the most valuable source of
11、energy on Earth. It permits life to exist. Plants need the sun to produce their food. Plants are the essential food producer in Earths food chain. Any living thing that forms part of the food chain benefits from solar energy directly or indirectly. 太阳的能量是由太阳产生的。太阳是地球上最有价值的能源。它允许生命存在。植物需要阳光来生 产他们的食物。
12、 植物是地球食物链中必不可少的食品生产国。直接或间接形成食物链利益的任何生 物。 Solar energy is a renewable source of energy.Every forty minutes,Earth receives an amount of energy from the sun that is equal to what the whole population on Earth uses in one year.However, the sun is not widely used as a source of energy to run machines 太阳能
13、是一种可再生的能源, 每四十分钟,地球从太阳中接收一个能量等于地球上所有人口的一年, 然而,太阳并没有被广泛用作机器运行的能源 . Some people use solar energy to heat their houses, to warn their water, and even to cook.These houses have solar panels that collect and store heat from the sun and convert it to energy.Scientists are developing new and better ways to
14、 capture solar energy and store it.This way more people can utilize it when and where it is needed. 有些人用太阳能加热房子, 提醒他们的水, 甚至做饭, 这些房子有太阳能电池板, 收集和储存热量, 并将它转化为能源,科学家正在开发新的更好的方法来捕捉太阳能并储存它。 热如何转移? How is heat transferred? The sun gives us heat. Heat is the name for the energy that is transferred. or moved
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