Garbage decomposition provides a wide range of interesting scientific projects.
Science projects involving the decomposition of garbage help students understand the ecological impact of waste. The student must first develop a question or hypothesis regarding garbage decomposition; for example, the impact of disposable diapers on the environment or the economic impact of refusing to recycle.
Decomposing Energy: Extracting Heat Energy From a Compost Pile
Can decomposing garbage provide heat for water?
Explore the possibility of how decomposing garbage can be converted into energy. Details for designing this project can be found at: http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p035.shtml
Decomposing Garbage as Fertilizer
Which elements make the best fertilizer?
Defining the best discard-able components for a rich fertilizer is a simple project. For example, sources such as coffee grounds, banana peels, or egg shells are a good beginning for developing a rich soil for plants. Additionally, a source such as coffee grounds introduces elements such as caffeine, which is surprisingly beneficial to plants. However, items that resist decomposition, such as plastic or aluminum, may prove to be detrimental to plant growth.
Types of Trash Bags that Decompose Quickly
Do any plastics benefit the environment?
Expanding available space for garbage disposal and the effect of plastics on the environment are important aspects in garbage decomposition. Plastics that leech into the soil can seep into ground water supplies and endanger animals and plants. Test different types of disposal bags: paper, plastic, and bags labeled biodegradable. Further details can be found at: http://www.infoplease.com/cig/science-fair-projects/kind-trash-bag-breaks-down-fastest.html
Chemical Reactions from Decomposing Garbage
Develop a hypothesis about how decomposing garbage impacts the environment chemically. For example, develop an experiment to measure the methane gas garbage produces and whether it can be used for energy. Project details can be found at: http://www.education.com/science-fair/article/garbage-gas/
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