University of Michigan
University of Michigan: Global Change: The Flow of Energy: Higher Trophic Levels
This lesson addresses the following questions: What is the efficiency with which energy is converted from trophic level to trophic level? What are the differences between assimilation efficiency, net production efficiency, and ecological...
TeachEngineering
Teach Engineering: Energy Conversions
Students evaluate various everyday energy conversion devices and draw block flow diagrams to show the forms and states of energy into and out of the device. They also identify the forms of energy that are useful and the desired output of...
Texas Education Agency
Texas Gateway: Energy and Matter in Ecosystems
Learners analyze food chains, webs, and pyramids to determine how energy flows and matter cycles through ecosystems.
US Energy Information Administration
U.s. Eia Energy Kids: Nonrenewable Energy Sources
This resource provides information about nonrenewable energy sources. There is specific information about each of these energy sources, and lots of maps, charts, tables, and graphs to further the understanding.
FT Exploring
Ft Exploring: Energy, Heat Flow, and Life
Here you can learn all about heat flow, one of the major driving forces of nature, and how it works. It is the force behind weather, photosynthesis, animal behavior, and much more.
FT Exploring
Ft Exploring: The Flow of Energy Through Plants and Animals
Explore the different ecological roles of organisms in the ecosystem, and find out how the energy flows through them.
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...
FT Exploring
Ft Exploring: Energy Changes Make Things Happen
Nothing can happen without energy. Here you can learn about the many different ways that energy makes things happen.
Bill Nye
Bill Nye: Go With the Flow
This tutorial from Bill Nye shows how much energy your heart has to expend to pump blood, and demonstrates that it's easier to pump blood downward.
SMART Technologies
Smart: Energy Flow in an Ecosystem
Students learn about Abiotic and Biotic Factors and how they affect the ecosystem in which an animal might live in.
Other
Newport: Introduction to Solar Radiation
Radiation from the sun sustains life on earth and determines climate. The energy flow within the sun results in a surface temperature of around 5800 K, so the spectrum of the radiation from the sun is similar to that of a 5800 K...
University of Illinois
University of Illinois Extension: Energy and Ecosystems Use Some Lose Some
Life on Earth is possible because energy flows one way through ecosystems, while matter cycles endlessly. Water and elements, such as carbon, nitrogen, phosphorous, and sulfur are examples of matter that cycles through ecosystems.
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....
Georgia State University
Georgia State University: Hyper Physics: Heat Flow to Hotter Region
Heat flow from a hot region to a cold region is described and explained. Applications of this phenomenon (specifically heat pumps and refrigerators) are discussed. Excellent graphics.
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Electricity
Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources, which...
BiologyWise
Biology Wise: An Analogy: Biomass Pyramid vs. Energy Pyramid
Explains what biomass and energy pyramids are and provides a table highlighting their differences.
Vision Learning
Visionlearning: Energy in Living Systems: Harnessing the Energy of the Sun
Background information on the history of photosynthesis. An explanation for how light is used to assist in making food for plants as the transfer of electrons allows energy to flow through the system.
TeachEngineering
Teach Engineering: From Sunlight to Electric Current
The lesson will first explore the concept of current in electrical circuits. Current will be defined as the flow of electrons. Photovoltaic (PV) cell properties will then be introduced. This will lead to the principle of "Conservation of...
CK-12 Foundation
Ck 12: Life Science: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...
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.
Science Struck
Science Struck: Tropical Rainforest Energy Pyramid and Its Importance
Explains the roles of consumers, producers, and detrivores or decomposers and how energy flows through the different levels of the energy pyramid of a tropical rainforest.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems Study Guide
Review the flow of energy through ecosystems with this study guide.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.
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