Scholastic
Study Jams! The Nitrogen Cycle
Expose your class to the steps of the nitrogen cycle with this short clip. Colorful computer imagery and animation explain how nitrogen travels from the atmosphere as a gas into plants and soil, where bacteria convert it into nitrates....
Curated OER
Nutrient Cycling
AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
Curated OER
Ecology
For use early in the year with your ecology class, this collection of slides introduces viewers to cycles in nature and relationships between organisms. There is a food web diagram, but the presentation is incomplete without any diagrams...
Curated OER
The Biogeochemical Cycles
The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...
Curated OER
AP: Chapter 54: Ecosystems
A lot of learning is packed into these 23 questions about ecosystems. Advanced biology classes apply their knowledge of communities, productivity, biogeochemical cycles, and human impact on the environment by writing short answers for...
Biology Junction
Ecology
Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...
Curated OER
Classroom Aquaponics: Exploring Nitrogen Cycling in a Closed System
Students investigate nutrient cycling in a simplified desktop ecosystem involving aquarium and hydro-ponically grown plants. They set up an aquarium with 10 gallons of water at least a week before the lab is planned and place...
Curated OER
Nitrogen Cycle
Students identify the main concepts and ideas of the nitrogen cycle.
They review key concepts covered up to this point in ecology including food chains, food webs, energy pyramids, and bio-geochemical cycles.
Curated OER
Campus Nitrogen Budget
Students are given guidelines to college level nitrogen budgeting. Students brainstorm the campus links to nitrogen budget. Students pick topics or subtopics for individual or group research. Students develop research plan, keep good...
Curated OER
Ecology
Sixth graders identify the steps of the different cycles of matter, while learning to use WP utilities.
Curated OER
Ecology
In this ecology worksheet students complete a crossword puzzle that incorporates all of the ecological vocabulary in the word puzzle.
Curated OER
Ecological Cycles Part 1
Knowing about the hydrologic cycle is the first step to understanding the carbon cycle. Upper graders discuss the earth's water content, polar ice caps, and the concept of the ecological cycle as it applies to carbon, nitrogen, and other...
Curated OER
Biological Sciences
Students examine biodiversity and interrelatedness concepts. In this ecology lesson students go on a field trip and fill out a data sheet.
Curated OER
Runoff with Chunky the Chicken
Students are introduced to the on-farm nutrient cycle, which explains feed to manure, to soil, and back to the feed. They are introduced to the generation of runoff during rainstorms, and the contents of runoff water are more than water...
Curated OER
Ecology and the St. Lawrence River
Ninth graders complete a unit of lessons on ecosystems, organism interactions, and energy flow. They create a key for known species of fish, diagram the movement of energy through an ecosystem, and create and present food chains and food...
Curated OER
Hopper Hunt: IPM Decision-making in Alfalfa
Learners describe migrations and life cycle pattersn of a key alfalfa pest, the Porato Leafhopper. They define the Economic Inquiry Level and Economic Threshold. Students evaluate data in relation to profit as it applies to IPM. They...
Curated OER
Ecology 12 Human Effects
Students are able to respond to a reading passage concerning human effects (under development) in Madagascar. They have a quiz on primary and secondary succesion as their bell ringer. Students write an essay on the topic "No man is an...
Curated OER
Composting
Using 2-liter bottles, junior ecologists create composting tubes in which they place nitrogen-rich and carbon-rich materials. They observe what changes occur over two weeks' time. Provide more specific direction to your class as to what...
Curated OER
Solid Waste Recycling
Students seek scientific and technological solutions to envrionmental problems. They record class activities in a journal. They identify relationships among living things and their environments.
Curated OER
Water Retention and Soil Variation in Local Ecosystems
Students identify the differences in local soil types and the relationship between soil size and water retention. They are introduced to microenvironmental conditions in ecosystem sustainability.
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....
BioMan Biology
Bio Man Biology: Ecology Quizzes
Three multiple-choice quizzes on topics and vocabulary in ecology.
Khan Academy
Khan Academy: Prokaryote Interactions & Ecology
Learn about cooperation and "multicellularity" in prokaryotes including mutualisms, commensalisms, parasitisms. Also find out the role of prokaryotes in the carbon and nitrogen cycles.