Curated OER
Can Fun Gus Help Plants/Trees Grow?
Students participate in an experiment in which they test the growth of different types of plants. They discover how growth rates vary using inoculum. They draw pictures and are read books about plants to end the lesson.
Curated OER
Code Makers - Electron Configuration, Aufbau Principle
Learners write the electron configuration of elements using the Aufbau principle. In this chemistry lesson, students build their own key that demonstrates the principle.
Other
Chemical Reax/exothermic Reactions
A wonderfully complete primer on exothermic reactions in the context of chemical spills. Covers Reactions with Air or Water, Combustible Organics, Polymerization Reax, Decomposition, Corrosion, and much much more.
Michigan State University
Michigan State University: Lets Net: Worm Bin Project Unit
Students learn about the worm life cycle and decomposition of life by creating small-scale worm ecosystems. Research groups share scientific data with groups at other schools using web-based communication tools.
BiologyWise
Biology Wise: A Brief Guide to the Steps of the Carbon Cycle
Outlines the steps for the movement of carbon along the carbon cycle through photosynthesis, food chains, being dissolved into the ocean, the decomposition of organisms, fossil fuel formation, industrial use of fossil fuels, carbon...
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Climate and Temperature
In this experiment, students investigate what impact the composition of soil, its water content, and its location have on the soil's temperature, which in turn would have an effect on the rate of decomposition of organic matter in the soil.
Other
New Brunswick Waste Management /"Backyard Magic"
Comprehensive description of the environmental benefits of composting solid waste. Complete directions for composting, detailed description of composting chemistry, suggestions for applications of humus, question and answer page,...
Nature Conservancy
The Nature Conservancy: Gardens Activity Guide: Soil
In this lesson learners conduct a soil analysis to understand soil types and explore the relationship between the garden and healthy, fertile soil. Soil is a natural resource that is crucial to life on Earth and when managed properly, it...
Other
Paul's Garden World: The Science of Composting
Very thorough description of different organisms involved in decomposing organic material through composting. Includes actinomycetes, bacteria, fungi, and a variety of macro-organisms which also function as decomposers. Also discusses...
University of Missouri
Microbes in Action: Classroom Activities: Composting by Microbes
A science experiment to observe how materials decompose over time, By recording the smell, appearance, and movement of materials over three weeks, students will be able to make conclusions about their decompositions. Students will also...
Science Struck
Science Struck: The Various Types of Chemical Reactions
A detailed description of the different types of chemical reactions in organic and inorganic chemistry.
Sheppard Software
Sheppard Software: Parts of the Food Chain: Producers, Consumers, Decomposers
Learn how scientists classify different types of organisms in an ecosystem or in a food chain by their role and function as either a producer, a consumer, or a decomposer. Then play a game that tests your understanding of these important...
University of Canterbury
Cs Unplugged: Divide and Conquer
Imagine 31 numbers have been organized in ascending order in a list by a computer program. Now the program has to find a number in the list, but it can only look at one number at a time. Is it easier to find the number now, than if they...
Other
Advanced Composting Systems: Phoenix Composting Toilet
Explains how composting toilets work, their benefits to the environment, useful applications, and information on how to choose a system.
Other
Composting Practices (Pdf) [Pdf]
This publication explains the agricultural and environmental benefits of composting household waste. It explains the difference between hot and cool composting systems. It also documents research indicating turfgrass benefits from humus...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Wyzant
Wyzant: Reactions
A good resource on chemical reactions, organized by topic: "Examples of chemical changes," "Chemical equations of chemical reactions," "Balancing equations," "Synthesis reactions," "Decomposition reactions," "Single replacement...