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...
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.
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....
Khan Academy
Khan Academy: Biogeochemical Cycles
Test your knowledge of the water cycle, carbon cycle, and nitrogen cycle.
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...
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...
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.
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...
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
Bio Topics
Bio Topics: Cycles in the Ecosystem
A worksheet and notes covering cycles in the ecosystem, including the carbon and the nitrogen cycles.
TeachEngineering
Teach Engineering: Biodomes
Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...
BioMan Biology
Bio Man Biology: Angry Aliens: Ecology
Teach aliens about ecology as you play this game, and review your own understanding in the process. Topics covered include levels of organization, ecological relationships, nutrition and energy, cycles (water, carbon, and nitrogen), and...
BioMan Biology
Bio Man Biology: Ecology Quizzes
Three multiple-choice quizzes on topics and vocabulary in ecology.
TeachEngineering
Teach Engineering: Environment
Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable 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."