Students will use the following cut outs to make a tetrahedral mobile which describe the 3 main Biogeochemical Cycles. First the students will sketch the 3 cycles onto the mobile pattern. They also could use this part of the activity as a cut and paste activity, cutting out the cycles into 3 stages. Then students will read a short description of each cycle and use this description and the internet to define and answer questions about each cycle. These will be cut out and put together for the mobile. Finally, students will describe each cycle on the final three tetrahedral cut outs for their mobile.
You could also split the students into table groups and assign them one cycle and then you could make a classroom mobile. These could also be used for note taking if you were trying to save time. The mobile ends up really cute! Attach each tetrahedral using straws, string, and tape or let the kids get creative. I would also have them lightly color each tetrahedral.
13 Tetrahedral cut outs for cutting and pasting together. (top tetrahedral, sketch the cycles, read, write, and define the cycles, and summarize the cycles)
3 slides/posters/print outs of the Water, Carbon, and Nitrogen Cycles
Answer Key for guidance.
All images are Domain Free/Royalty Free from wikispaces. Reading material is paraphrased from sciencelearn.org and khanacademy.org.
Next Generation Science Standards:
HS-ESS2-6. Develop a quantitative model to describe the cycling of carbon among the hydrosphere, atmosphere, geosphere, and biosphere. [Clarification Statement: Emphasis is on modeling biogeochemical cycles that include the cycling of carbon through the ocean, atmosphere, soil, and biosphere (including humans), providing the foundation for living organisms.]
Crosscutting Concepts: Energy and Matter
The total amount of energy and matter in closed systems is conserved
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