This supplementary resource is designed to support independent study, homework projects and revision.
A full lesson on Decay and Biogas is available here:
/teaching-resource/decay-and-biogas-lesson-gcse-biology-12854842
PowerPoint presentation and worksheet on decay and biogas for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4.
Content Covered:
-Decomposers and scavengers
-Fertiliser production
-Rate of decay
-The effect of water availability, temperature, oxygen availability and decay organisms on rate of decomposition
-Examples of biomes and their impact on decomposition
-Aerobic and anaerobic decay
-Methane as a biofuel
-Generators (aka fermenters or digestors)
-Batch biogas generators and continuous biogas generators
-Inlets and outlets
Suitable for remote online distance learning and usable by non-specialists, including for homeschooling.
We have supplementary slides and worksheets for the following topics in GCSE Biology Paper 1, Topic 7:
Ecology
Competition and Adaptation
Abiotic and Biotic Factors
Food Chains and Trophic Levels
Environmental Change
Water Cycle
Carbon Cycle
Decay and Biogas
Biodiversity and Waste Management
Global Warming
Deforestation and Land Use
Pyramids of Biomass
Food Security and Farming
Biotechnology
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