CK-12 Foundation
Ck 12: Life Science: Nitrogen Cycle
[Free Registration/Login may be required to access all resource tools.] Like water and carbon, nitrogen is also repeatedly recycled through the biosphere. This process is called the nitrogen cycle. Learn more about the nitrogen cycle in...
Texas Education Agency
Texas Gateway: Abiotic Cycles
Given scenarios, illustrations, or descriptions, the student will describe the flow of matter through carbon and nitrogen cycles and describe the consequences of disrupting these cycles.
University Corporation for Atmospheric Research
Ucar: The Carbon Cycle
A comprehensive introduction to the carbon cycle. The cycle of atoms between living and non-living things is known as a biogeochemical cycle. The most common of these are the carbon and nitrogen cycles.
Khan Academy
Khan Academy: Biogeochemical Cycles
Test your knowledge of the water cycle, carbon cycle, and nitrogen cycle.
National Earth Science Teachers Association
Windows to the Universe: Biogeochemical Cycles
Biogeochemical cycles happen when individual elements are recycled over and over in different parts of the Earth. Two examples are the Nitrogen Cycle and Carbon Cycle. Read an explanation of biogeochemical cycles and view a diagram of...
University Corporation for Atmospheric Research
Ucar: Biogeochemical Cycles
The ways in which an element or compound such as water moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. All of the atoms that are building blocks of living things are a...
Khan Academy
Khan Academy: Biogeochemical Cycles Review
Review information on the cycling of matter throughout the spheres of Earth.
CK-12 Foundation
Ck 12: Life Science: Water Cycle
[Free Registration/Login may be required to access all resource tools.] Water and elements like carbon and nitrogen are constantly being recycled through the environment. This process is called a biogeochemical cycle because it involves...
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....
Other
The Learning Partnership: Journey to El Yunque
In this set of learning modules, students examine the impact of hurricane weather on the El Yunque rainforest in Puerto Rico. They learn about hurricanes, producers, consumers, and the food chain, and how disruptions in organisms'...
Bio Topics
Bio Topics: Cycles in the Ecosystem
A activity and notes covering cycles in the ecosystem, including the carbon and the nitrogen cycles.
Georgia Department of Education
Ga Virtual Learning: Matter and Energy Cycles
In this incredibly comprehensive interactive tutorial you will learn about the carbon cycle. You will also learn about how matter and energy flows through the nitrogen cycle and phosphorus cycle.
University Corporation for Atmospheric Research
Ucar: Climate Discovery Teacher's Guide: Investigating Climate Present
Lesson plans on the following: Carbon cycle: Carbon Dioxide Sources and Sinks, Nitrogen Cycle: Traveling Nitrogen, Ocean and Atmosphere: Make Convection Currents, Energy Cycle: Albedo
TeachEngineering
Teach Engineering: Moebius Strips
In this activity, students make Moebius strips and use them to demonstrate the interconnectedness of an environment. They will explore the natural cycles (water, oxygen/carbon dioxide, carbon, nitrogen) within the environment.
CK-12 Foundation
Ck 12: Earth Science: Flow of Matter in Ecosystems
[Free Registration/Login may be required to access all resource tools.] In this module, students will learn about the cycles of nature (water, carbon, nitrogen, and phosphorus) that support the flow of nutrient matter through an...
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.
Other
S Cool: Engery Flow and Nutrient Cycle
This website describes trophic levels, transfer of energy between trophic levels, pyramids of ecology, and nutrient cycles within the environment.
CK-12 Foundation
Ck 12: Biology: Recycling Matter Study Guide
Review some of the cycles that recycle matter through Earth's biospheres.
TeachEngineering
Teach Engineering: Go With the Energy Flow
Learners learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers and...
Sophia Learning
Sophia: Plant Kingdom: Photosynthesis: Lesson 2
This lesson will explore the nitrogren cycle and photosynthsis of plants. It is 2 of 3 in the series titled "Plant Kingdom: Photosynthesis."
Sophia Learning
Sophia: Plant Kingdom: Photosynthesis: Lesson 1
This lesson will explore the nitrogren cycle and photosynthsis of plants. It is 1 of 3 in the series titled "Plant Kingdom: Photosynthesis."
Other
Marietta College: Ecosystems
Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.
Ohio State University
Ohio State University: Concepts of Plant Ecology
An advanced discussion of plant interactions and relationships. Energy flow, nutrient cycling and succession are discussed. Try the quiz to check your understanding.
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