McGraw Hill
Glencoe Biology: Cycling of Matter: Self Check Quiz
Try these five multiple-choice questions about the cycling of matter. Each question has a clickable hint prompt as well as a self-checking feature.
BiologyWise
Biology Wise: Carbon Cycle Diagram
Explains what the carbon cycle is and the basic steps in the cycle.
Other
Lenntech: The Phosphorus Cycle
A concise explanation of the phosphorus cycle. Also contains a flow diagram which illustrates the flow of phosphate through the cycle.
Other
Alken Murray: The Phosphorous Cycle
A diagram which clearly illustrates the phosphorous cycle in a somewhat technical manner.
National Earth Science Teachers Association
Windows to the Universe: The Nitrogen Cycle
Interesting information on the Nitrogen Cycle as it relates to the Earth system.
University of Michigan
University of Michigan: The Concept of the Ecosystem
Lesson looks at the definition of an ecosystem, biogeochemical cycles, and factors responsible for the differences between ecosystems.
BiologyWise
Biology Wise: Carbon Oxygen Cycle
The fours stages of the carbon-oxygen cycle are described - photosynthesis, respiration, combustion, and decomposition.
BiologyWise
Biology Wise: Information About Nitrifying and Denitrifying Bacteria
Learn about the important role that nitrifying and denitrifying bacteria play in the nitrogen cycle.
Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Civil Environmental: Ecology I: The Earth System
College-level online course highlighting the fundamentals of ecology. Course topics include coevolution of the biosphere, geosphere, atmosphere, and hydrosphere; photosynthesis and respiration; and the carbon, nitrogen, and water cycles....
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Traveling Nitrogen
Students play the role of nitrogen atoms traveling through the nitrogen cycle to gain understanding of the varied pathways through the cycle and how nitrogen is relevant to living things.
Georgia Department of Education
Ga Virtual Learning: Chemical Oceanography
Students study the chemical characteristics of the World Ocean, water chemistry, element cycles, and chemical resources in this multi-media learning module.
Annenberg Foundation
Annenberg Learner: Carbon Lab
This lab uses a robust model of the carbon cycle to give an intuitive sense for how carbon circulates through the atmosphere, biosphere, oceans, and crust.
CK-12 Foundation
Ck 12: Biology: Recycling Matter Study Guide
Review some of the cycles that recycle matter through Earth's biospheres.
Other
College of Du Page: Energy in an Ecosystem
Ecosystems contain two kinds of commodities: matter (nutrients) and energy. Nutrients cycle through the ecosystem, available for repeated use by organisms. These cycles of use and reuse are called biogeochemical cycles. Energy instead is...
Annenberg Foundation
Annenberg Learner: The Habitable Planet: Carbon Lab
An interactive lab simulation demonstrates the effects of increased carbon in the atmosphere and how that increase contributes to climate change. A data table for student records is available for download.
The Environmental Literacy Council
Environmental Literacy Council: Matter
Learn about the considerable variety of materials on Earth, and the basic properties which set them apart. Read how all matter on Earth comes into play when it comes to environmental issues.
Georgia Department of Education
Ga Virtual Learning: Ap Environmental Science: Science, Matter, Energy, Systems
Through interactive activities, reading exercises, and lab activities, students study how science, matter, energy, and systems are interrelated.
Climate Literacy
Clean: Carbon Dioxide Fertilization of Marine Microalgae Cultures
In this experiment, students investigate the importance of carbon dioxide to the reproductive growth of a marine microalga, Dunalliela sp.