This article and linked video details the movement of carbon through the air, soil, oceans, and living organisms through processes such as photosynthesis, consumption, and decomposition.
It uses the bathtub analogy to help students understand the accumulation of carbon dioxide in the atmosphere, discusses how fossil fuels are formed, and gives insight into what is throwing the carbon cycle out of balance.
Students will learn that carbon dioxide is cycled into and out of the Earth's atmosphere in multiple ways, fossil fuel formation takes millions of years, and humans are causing a dramatic rise in atmospheric carbon dioxide by burning fossil fuels and cutting down forests.
The video is easy to understand and connects to many topics.
The video talks about the ocean's role in the carbon cycle.
Prerequisites
Students need to know what carbon dioxide is and have a basic understanding of Earth's systems.
Students should be familiar with the terms photosynthesis, fossil fuels, and decomposition.
Differentiation & Implementation
This video would be a great introduction to biology and chemistry classes that are learning the specifics of cellular respiration, photosynthesis, chemical reactions, the rock cycle, or decomposition.
Middle school Earth science classes could use this video to supplement a lesson about the weathering of rocks, the slow carbon cycle, ocean sediments, or other processes that release or store carbon dioxide.
The video could be used to help explain the greenhouse effect and how human activities are connected to increasing concentrations of carbon dioxide.
Consider having students explore all of the tabs after watching and reading about carbon dioxide and making it a complete lesson or unit.
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