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 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 virtual chemistry text includes concept maps that can help you construct this experience for students. Carbon dioxide and the greenhouse effect and climate change triple science. Greenhouse effect gcserevision, geography, weatherclimate. What will be the impact of climate change on weather patterns. Gcse geography greenhouse effect, climate change and.
New91 aqa gcse chemistry c15 using our resources kerboodle. It is a complex issue full of uncertainties and controversies. Date resource description and details of specification coverage resource location notes about using the resource. 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.
Global warming is the result of the greenhouse effect. Earths natural greenhouse effect is critical to supporting life, and initially was a precursor to life moving out of the ocean onto land. This is a hydrogen atom which has lost an electron in other words, it is a proton. Revision for aqa chemistry gcse, including summary notes, exam questions by topic and videos for each module. Gcse biology the greenhouse effect and pollution problems.
Entering the atmosphere through earths water bodies, water vapor contributes to a large percentage of the greenhouse effect. Pages 2 to 105 in the chemistry trilogy kerboodle text book. The greenhouse effect is a natural process that produces a relatively warm environment near the earths surface conducive to life on earth. The earth is warming and climate science shows that the warming has something to do with the greenhouse effect. It relies on mainly on five gases, water vapor, carbon dioxide, methane, ozone, and nitrous oxide. 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. The greenhouse effect is created by greenhouse gases such as carbon dioxide, methane and even water vapour in the atmosphere. Explore our range of primary and secondary international curricula books, online dynamic learning and magazine resources. Gcse science chemistry 91 the greenhouse effect youtube. We examine in this chapter the role played by atmospheric gases in controlling the temperature of the earth. With vitalsource, you can save up to compared to print.
However levels of greenhouse gases can be increased through human activities. Modules c4, c5, c6 higher tier general certificate of secondary education mark scheme for june 2015. A questions and answers about greenhouse warming policy. This book is full of clear revision notes and detailed diagrams for gcse chemistry students, suitable for the aqa, edexcel, ocr gateway and ocr 21st century exams. Oct 06, 2017 new gcse lesson on the greenhouse effect for the new aqa syllabus. The basics of climate change welcome royal society. 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. Give the result of the test if sodium ions are present.
Written by teachers for the edexcel igcse chemistry course. Greenhouse gases are naturally occurring in the atmosphere. I am a secondary school director of science and started professor bunsens resource laboratory to share engaging lessons written for the new gcse and alevel specifications from 2016. The greenhouse effect and the influence of human activity on it.
Since the late twentieth century, much of the talk of climate change has been about the greenhouse effect and global warming. This lesson explores the chemistry of some of the greenhouse gases that affect earths climate. Greenhouse gases science and chemistry gcse revision online. The natural greenhouse effect is caused by greenhouse gases which occur naturally in the earths atmosphere. The greenhouse effect is a gradual increase in the temperature of the lower atmosphere. The greenhouse effect is the rise in temperature that the earth experiences because greenhouse gases trap energy from the sun.
Aug 26, 2009 lesson4greenhousegases climate and change edexcel gcse geography b 1. Identify greenhouse gases explain how the greenhouse effect occurs discuss the causes and effects of global warming. Global warming is a serious issue in our world today. Cross through any work you do not want to be marked. Without this greenhouse effect, life as we know it could not have evolved on our planet. List two human activities that increase the levels of methane and of carbon dioxide. Greenhouse gases and the greenhouse effect chemistry tutorial. Cambridge igcse chemistry coursebook fourth edition by. Gases that absorb heat in the atmosphere are called greenhouse gases. This book is aimed at teachers of 1119 year old students and contains teachers notes, background information, photocopiable student worksheets and answers.
The chemistry of greenhouse effect when certain gases in the atmosphere absorb ir radiation their vibrational modes are excited and vibrate, causing them to collide with other molecules and transfer energy on a molecular level 8. The overall effect is that the earth receives more heat in the day. If there is a set of boxes, some of which should be ticked and others left empty, then judge the entire set of boxes. Lesson4greenhousegases climate and change edexcel gcse geography b 1. Is the mean temperature of the ground in any way influenced by the presence of heat absorbing gases in the atmosphere. Greenhouse gases and climate change aqa gcse chemistry 9. Pages 2 to 245 in the biology trilogy kerboodle text book. Kitchen chemistry and the greenhouse effect theory and. Greenhouse gases and climate change aqa gcse chemistry 91. Carbon dioxide and other greenhouse gases cause global warming by trapping heat in the earths atmosphere. The greenhouse effect is where the temperature of the earth increases. On average water vapor accounts for 60% of the greenhouse effect. At the end of each section there are questions to check what youve learnt plus there are whole sections on how science works and exam skills. Information there are 100 marks available on this paper.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. These gases work together to trap infrared radiation within the earths atmosphere in order to maintain temperatures. Questions and answers about greenhouse warming the greenhouse effect. The additional warmth in the atmosphere created by the greenhouse effect allows liquid water and other lifesupporting processes to exist on much of earths surface. The chemistry of greenhouse effect so a round of applause for greenhouse gases. Greenhouse effect diagram earth and space science worksheets help kids learn about their world and beyond. Water vapor works to absorb infrared radiation as it is radiated from earth. 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. Phil in chemistry at st johns college oxford and enjoy a teaching career inspiring and enthusing the next generation. Multiple choice, structured, closed short answer, and open response. Wade in pdf science buy or rent cambridge international as and a level chemistry as an etextbook and get instant access. 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. The greenhouse effect remains one of the reasons earth is habitable to humans and other organisms. Feb 01, 2018 the whole of key concepts in chemistry.
Youll learn its relationship to the carbon cycle and global warming and how a person, product, or service can reduce their carbon footprint. The sun powers earths climate, radiating energy at very short wavelengths, predominately in the visible or nearvisible e. How do carbon dioxide and other greenhouse gases cause global warming. When you enter a car that has been in the sun for quite some time, what is the first thing you notice.
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. 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. Carbon dioxide and the greenhouse effect and climate change 0. When the energy leaving is less than the energy entering, earth warms until a new balance is established. This happens as less heat is radiated back from the earth than is received from the sun.
Edexcel 91 gcse chemistry or combined science for paper 1 duration. This lesson explains the concept of a carbon footprint. Download essential biology for cambridge igcse ebook pdf. The greenhouse effect how does the greenhouse effect work. Used together these are a fact sheet and worksheet to structure a lower ability groups lesson. Greenhouse gases and the greenhouse effect key concepts. The greenhouse effect theory as it relates to climate change science can be stated as a process whereby back scattered radiative transfer of infrared heat from atmospheric gases and vapors that have thermal capacity causes additional surface temperature warming of the earth above that from the effects of insolation from the sun alone. The greenhouse effect is the process by which radiation from a planets atmosphere warms the. You are expected to use a calculator where appropriate.
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. After watching this video for chemistry gcse revision online, you will be able to explain the impact, importance, and sources of greenhouse gases. Chemistry of greenhouse effect linkedin slideshare. Learn how human activity is polluting the atmosphere with bitesize gcse chemistry aqa.
This page contains the aqa gcse chemistry the earths atmosphere questions and kerboodle answers for revision and understanding the earths atmosphere. Of those gases, known as greenhouse gases, water vapor has the largest effect. Sunlight enters the earths atmosphere, passing through the blanket of greenhouse gases. Gcse chemistry specimen question paper paper 2 author. Up to 30 gases produced by human activity have been identified as contributing to the effect. The activity provides excellent explanations and visualizations to learn about the chemistry of greenhouse gases and climate change.
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. Once absorbed, this energy is sent back into the atmosphere. The atmosphere becomes clogged up with greenhouse gases such as carbon dioxide from burning fossil fuels and methane. Detailed revision notes on the topic greenhouse effect. Adding more greenhouse gases to the atmosphere makes it even more effective at preventing heat from escaping into space. Third in a series of 9 lessons from an online module entitled visualizing and understanding the science of. Greenhouse effect gcserevision, geography, weather. 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. The greenhouse effect and global warming resource rsc. In turn, the land and oceans release heat, or infrared radiation, into the atmosphere, balancing the incoming energy. They include carbon dioxide, methane, and nitrous oxide. Lesson4greenhousegases climate and change edexcel gcse. Sunlight passes through the atmosphere, warming the earths surface.
No supporting material is provided, but the scientific scope of the activity is well outlined in the activity. The greenhouse effect allows earth to have temperatures that can support life. The greenhouse effect gcse chemistry single science revision. The greenhouse effect modulates the temperature at the earths surface and makes it hospitable to life. Free revision guide from bangor university for year 910. You are reminded of the need for good english and clear presentation in your answers. This page also contains the link to the notes and video for the revision of this topic. Gcse geography greenhouse effect, climate change and global. In simplest terms, greenhouse gases let sunlight through to the earths surface while trapping outbound radiation. Learn about and revise earth and atmospheric science with this bbc bitesize gcse chemistry edexcel study guide. In the day, energy from the sun reaches the earth in the form. The key topics for unit 9 are all handily spread across three pages.
Sep 28, 2017 the chemistry of greenhouse effect so greenhouse gases are called greenhouse gases because they keep some heat in the atmosphere to sustain life on earth as a greenhouse does to sustain life in the greenhouse when it is cold outside 11. The greenhouse effect climate change the afl booklet contains a range of questions including key words, knowledge checks, standard tier questions and higher tier questions designed to test the highest of ability students. As we will see, trapping of terrestrial radiation by naturally occurring greenhouse gases is essential for maintaining the earths surface temperature above the. Describe how the scientists can test a solution of b to see if sodium ions are present. Learn about the earths atmosphere with bitesize gcse chemistry ocr gateway. Humans have contributed to atmospheric warming since the initiation of the industrial revolution. When the energy leaving is less than the energy entering, earth. If your students need to get revising for their exams, then this knowledge organiser is a perfect place to start. Help your child understand how it works with this greenhouse effect coloring worksheet.
Choose from 500 different sets of greenhouse effect chemistry flashcards on quizlet. Greenhouse gases and the greenhouse effect kids environment. Gcse chemistry how do carbon dioxide and other greenhouse. 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. This page contains the aqa gcse chemistry using our resources questions and kerboodle answers for revision and understanding the earths resources. The greenhouse effect earth and atmospheric science. 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. Aug 31, 2011 the greenhouse effect theory as it relates to climate change science can be stated as a process whereby back scattered radiative transfer of infrared heat from atmospheric gases and vapors that have thermal capacity causes additional surface temperature warming of the earth above that from the effects of insolation from the sun alone.
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