IGCSE Biology - Pollution Presentation
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This is an animated PowerPoint presentation that covers the pollution section of 4.2 Human Influences on the Environment of the Edexcel IGCSE Biology course.
The PowerPoint covers the following questions: Can you recall that greenhouse gases include water vapour, carbon dioxide, nitrous oxide, methane and CFCs? How do human activities contribute to greenhouse gases? What is the greenhouse effect and how does it lead to global warming? What are the potential consequences of global warming? What are the biological consequences of air pollution by sulphur dioxide and carbon monoxide? Do you understand that leaching, soil erosion, disturbance of the water cycle, and of the balance in atmospheric oxygen and carbon dioxide, are all effects of deforestation? What is eutrophication? Can you explain the biological consequences of water pollution by sewage, including the increase of microorganisms resulting in the depletion of oxygen in the water?
The PowerPoint is designed to directly address each relevant point in the syllabus. It is simple and straight to the point covering the topic in just the right amount of detail. It's a fantastic resource for both teachers and students or a great tool for revision.
Many of the slides have animations in that will only work when viewed in slideshow mode, so please use that when working through the presentation.
The PowerPoint covers the following questions: Can you recall that greenhouse gases include water vapour, carbon dioxide, nitrous oxide, methane and CFCs? How do human activities contribute to greenhouse gases? What is the greenhouse effect and how does it lead to global warming? What are the potential consequences of global warming? What are the biological consequences of air pollution by sulphur dioxide and carbon monoxide? Do you understand that leaching, soil erosion, disturbance of the water cycle, and of the balance in atmospheric oxygen and carbon dioxide, are all effects of deforestation? What is eutrophication? Can you explain the biological consequences of water pollution by sewage, including the increase of microorganisms resulting in the depletion of oxygen in the water?
The PowerPoint is designed to directly address each relevant point in the syllabus. It is simple and straight to the point covering the topic in just the right amount of detail. It's a fantastic resource for both teachers and students or a great tool for revision.
Many of the slides have animations in that will only work when viewed in slideshow mode, so please use that when working through the presentation.