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