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