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.
CK-12 Foundation
Ck 12: Earth Science: Carbon Cycle and Climate
[Free Registration/Login may be required to access all resource tools.] Explains the cycle of carbon through the atmosphere, geosphere, and biosphere.
Ducksters
Ducksters: Science for Kids: Carbon Cycle
Kids learn about the carbon cycle and how this nutrient travels through the ecosystem to sustain life on Earth.
BiologyWise
Biology Wise: An Easy Explanation of the Carbon Cycle for Kids
The importance of the carbon cycle, how it works, the sources of carbon, and the steps in the carbon cycle are explained here.
Morning Earth
How Life Works: Biosphere Is Process: Animal & Plant Gas Exchange
Scholars explore the biology concept of the oxygen cycle. The tutorial consists of definitions and pictures about animal and plant gas exchange.
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