Greenhouse effect, a warming of earths surface and troposphere the lowest layer of the atmosphere caused by the presence of water vapor, carbon dioxide, methane, and certain other gases in the air. Jul 03, 2011 the greenhouse effect is the rise in temperature that the earth experiences because greenhouse gases trap energy from the sun. Why choose an ocr gcse 91 in chemistry a gateway science 1. They include carbon dioxide, methane, and nitrous oxide. List two human activities that increase the levels of methane and of carbon dioxide. Learn how human activity is polluting the atmosphere with bitesize gcse chemistry aqa.
That would make it too cold to support life as we know it. It is estimated that if there were no greenhouse effect. The basics of climate change welcome royal society. Once completed it was used to produce a creative piece of work in teams but this went into their books as a record of the key facts. This includes the composition and evolution of the earths atmosphere, greenhouse gases such as carbon dioxide and methane, the greenhouse effect, the human impact on the environment such as global warming, carbon. The greenhouse effect is where the temperature of the earth increases. This book is aimed at teachers of 1119 year old students and contains teachers notes, background information, photocopiable student worksheets and answers. The greenhouse effect earth and atmospheric science. Gcse science chemistry 91 the greenhouse effect youtube. What will be the impact of climate change on weather patterns. Ocr gcse 91 chemistry b twenty first century science j258.
Up to 30 gases produced by human activity have been identified as contributing to the effect. Greenhouse effect definition and meaning collins english. Edexcel 91 gcse chemistry or combined science for paper 1 duration. Aqa gcse chemistry for combined science student book. The term greenhouse effect is mentioned a lot when we talk about climate change. The greenhouse effect is the problem caused by increased quantities of gases such as. Greenhouse effect diagram earth and space science worksheets help kids learn about their world and beyond. How do carbon dioxide and other greenhouse gases cause global warming. Gcse chemistry specification specification for first. Environmental chemistry gcse free download as powerpoint presentation. Gcse geography greenhouse effect, climate change and global. Global warming is a serious issue in our world today.
The greenhouse effect and the influence of human activity on it. When you enter a car that has been in the sun for quite some time, what is the first thing you notice. Gases that absorb heat in the atmosphere are called greenhouse gases. A concise explanation of the greenhouse effect aqa 91 gcse chemistry, specifically covering the role of carbon dioxide and methane as greenhouse gases. You also need to know about the different greenhouse gases such as carbon dioxide and methane and how these are contributing to global warming. Greenhouse effect, global warming and climate change are often used interchangeably but you do need to know the. The main source of heat to the earth is solar energy, which is transmitted from the sun to the earth by radiation and is converted to heat at the earths surface. This resource includes a number of different types of activities and worksheets, which can be used to promote group discussion. Greenhouse gases tend to absorb this infrared radiation as it is reflected back towards space, trapping the heat in the atmosphere. The greenhouse effect is the rise in temperature that the earth experiences because greenhouse gases trap energy from the sun. Students should be able to describe the greenhouse effect in terms. May 01, 2014 used together these are a fact sheet and worksheet to structure a lower ability groups lesson.
Gcse chemistry revision worksheets earths atmosphere. The proportion of greenhouse gases in the earths atmosphere has increased. To understand the nature of the greenhouse effect on climate change which leads to global warming, we must first know what the greenhouse effect is. If you are looking for gcse chemistry revision then visit maths made easy. The transparent windows of a greenhouse or a car parked in the sunlight transmit the warming visible rays of the sun, prevent the resulting warm air from leaving, and hence maintain a warmer environment inside than outside the structure. The intensity of the downward radiation that is, the strength of the greenhouse effect will depend on the atmospheres temperature and on the amount of greenhouse gases that the atmosphere contains. The natural greenhouse effect is caused by greenhouse gases which occur naturally in the earths atmosphere. The greenhouse effect modulates the temperature at the earths surface and makes it hospitable to life. Dec 18, 2017 6 videos play all 91 gcse chemistry paper 2 the atmosphere freesciencelessons gcse science chemistry 91 carbon footprint duration.
They will answer questions on this article and fill in a graphic organizer. Greenhouse gases and their relative effects especially carbon dioxide and water vapour. Students will read an article on one effect of climate change global warming in small groups. We have so far seen the details of acid rain and its harmful effect on animals, plants and the monuments. Gcse chemistry how do carbon dioxide and other greenhouse. Environmental and ecological chemistry greenhouse gases and global warming timothy j. When the energy leaving is less than the energy entering, earth. This is a hydrogen atom which has lost an electron in other words, it is a proton. Greenhouse gases and climate change aqa gcse chemistry 9. The greenhouse effect is a natural process that produces a relatively warm environment near the earths surface conducive to life on earth.
Of those gases, known as greenhouse gases, water vapor has the largest effect. Has diagrams to illustrate the concepts, and includes descriptions of the impact of human activity on the greenhouse effect and carbon footprints. The ability of gases to trap heat is known as the greenhouse effect without any greenhouse effect the eart h would have a similar temperature to the moon 184c in the shade to an average of 101c. Gcse chemistry revision worksheets chemistry past papers. Once absorbed, this energy is sent back into the atmosphere. Without this greenhouse effect, life as we know it could not have evolved on our planet. The process is called the greenhouse effect because the exchange of incoming and outgoing radiation that warms the planet works in a similar way to a greenhouse. The sun powers earths climate, radiating energy at very short wavelengths, predominately in the visible or nearvisible e. Sunlight enters the earths atmosphere, passing through the blanket of greenhouse gases. The greenhouse effect allows earth to have temperatures that can support life. If your students need to get revising for their exams, then this knowledge organiser is a perfect place to start. In the day, energy from the sun reaches the earth in the form. It is important to note the use of the terms economically developing nations and economically developed nations to emphasise that this slide is referring to how economic factors, not cultural matters, can. The potential of a greenhouse gas to cause greenhouse warming is expressed by global warming potential gwp.
Wallington, jayaraman srinivasan, ole john nielsen, ellie j. Earths atmosphere of aqa gcse chemistry kerboodle textbook. This booklet is designed to be used alongside the aqa chemistry tex. The graphic organizer will be presented to the class. Greenhouse gases and the greenhouse effect chemistry tutorial. The greenhouse effect gcse chemistry single science revision. Why choose an ocr gcse 91 in chemistry b twenty first century science 2.
Possible implications of increased greenhouse effect. Chemistry greenhouse effect flashcards in gcse chemistry. From chemistry worksheets to chemistry past papers you will find everything here. Help your child understand how it works with this greenhouse effect coloring worksheet. When the energy leaving is less than the energy entering, earth warms until a new balance is established. Greenhouse gas a greenhouse gas sometimes abbreviated ghg is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. Adding more greenhouse gases to the atmosphere makes it even more effective at preventing heat from escaping into space. These gases work together to trap infrared radiation within the earths atmosphere in. This process is the fundamental cause of the greenhouse effect. Greenhouse effect gcserevision, geography, weatherclimate.
The greenhouse effect and global warming resource rsc. Oxford cambridge and rsa examinations gcse chemistry a unit a17101. The temperature of our planet is a balance between the amount of heat it receives in the day from the sun and the amount of heat given out at night into space. Youll see that our gcse chemistry, along with biology and physics, is a clear straightforward. Environmental chemistry is the subject in taught in chemistry for olevels. Greenhouse gases and climate change aqa gcse chemistry 91. After all presentations, each group of students will develop a graphic. Since the late twentieth century, much of the talk of climate change has been about the greenhouse effect and global warming. Aqa gcse chemistry for combined science student book sample. Maths revision cards gcse maths books numerical reasoning tests maths genie predicted papers presents for maths teachers. The greenhouse effect is created by greenhouse gases such as carbon dioxide, methane and even water vapour in the atmosphere. The atmosphere becomes clogged up with greenhouse gases such as carbon dioxide from burning fossil fuels and methane.
It is responsible for about half of the atmospheric heat retained by trace gases and also for 50% of the greenhouse effect. The greenhouse effect is the process by which radiation from a planets atmosphere warms the. Third in a series of 9 lessons from an online module entitled visualizing and understanding the science of. Earths natural greenhouse effect is critical to supporting life, and initially was a precursor to life moving out of the ocean onto land. Feb 01, 2018 the whole of key concepts in chemistry. The greenhouse effect is a gradual increase in the temperature of the lower atmosphere.
This lesson explores the chemistry of some of the greenhouse gases that affect earths climate. The greenhouse effect without greenhouse gases in its atmosphere, the earth would be about 18c colder on average than it is now. Third in a series of 9 lessons from an online module entitled visualizing and understanding the science of climate change. It relies on mainly on five gases, water vapor, carbon dioxide, methane, ozone, and nitrous oxide. About half of the suns energy is absorbed by the earths surface, while around 20% of the energy is absorbed by the atmosphere and 30% is reflected by clouds and the earths surface back into space. Multiple choice, structured, closed short answer, and open response. We examine in this chapter the role played by atmospheric gases in controlling the temperature of the earth. Learn greenhouse effect chemistry with free interactive flashcards. This happens as less heat is radiated back from the earth than is received from the sun. The transparent windows of a greenhouse or a car parked in the sunlight transmit the warming visible rays of the sun, prevent the resulting warm air from leaving, and hence maintain a warmer. What is controversial about the greenhouse effect is exactly how much earths surface temperature will rise given a certain increase in a trace greenhouse gas such as co2. Gcse chemistry topics for essays knowledge, skills and understanding developed during gcse chemistry for exams from summary sheets of the main key points of aqa physics as a poster to help with revision a doublesided revision poster which covers most of the key material for the aqa higher specification.
Highwood line in figure 1 is the instrumental record which stretches back approximately 140 years, the blue line is the reconstructed temperature deduced from tree rings, ice. The only precaution that we can take against acid rain is having a check at the emission of oxides of nitrogen and sulphur. The greenhouse effect remains one of the reasons earth is habitable to humans and other organisms. Greenhouse gases and the greenhouse effect key concepts. Greenhouse effect, global warming and climate change are often used interchangeably but you do need to know the difference between these terms for your gcse chemistry exam. Learn about and revise earth and atmospheric science with this bbc bitesize gcse chemistry edexcel study guide.
Meaning, pronunciation, translations and examples log in dictionary. Methane ch 4 is 2030 times more effective than co 2 in trapping heat. The activities can be included when teaching about changes to the earth and atmosphere and the effect of burning fossil fuels on the environment. Environmental chemistry gcse greenhouse effect nutrients. Global warming is the result of the greenhouse effect. Search the worlds most comprehensive index of fulltext books. These gases work together to trap infrared radiation within the earths atmosphere in order to maintain temperatures. If there is a set of boxes, some of which should be ticked and others left empty, then judge the entire set of boxes. As we will see, trapping of terrestrial radiation by naturally occurring greenhouse gases is essential for maintaining the earths surface temperature above the.
Greenhouse gases and the greenhouse effect kids environment. The key topics for unit 9 are all handily spread across three pages. Modules c1, c2, c3 foundation tier general certificate of secondary education mark scheme for june 2016. Used together these are a fact sheet and worksheet to structure a lower ability groups lesson. Human activities have increased greenhouse gas concentrations n the atmosphere through the combustion of fossil fuels, release of methane from farms, industrial emissions, and deforestation. Choose from 500 different sets of greenhouse effect chemistry flashcards on quizlet. The curriculum of chemistry at senior secondary stage aims to. The greenhouse effect polluting the atmosphere aqa.
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