A. . Atmosphere Atmospheric CO 2 comes from volcanoes, burning fossil Think about it: Since hard-shelled organisms evolved about 550 million years ago, billions of Vocabulary: atmosphere, biomass, biosphere, carbon reservoir, carbon sink, fossil fuel, geosphere, The geosphere is the rocky, non-living part of Earth. tons of limestone rock have been produced from their shells. human activities, increases the amount of carbon dioxide in the atmosphere. into the lithosphere. If they cannot answer them, try to explain the ideas in a new way. Emphasize the following ideas: The bags are a proxy for the Earths atmosphere. the amount of CO2 and convert it to oxygen. and exposed rock. The glowing blue areas (Hint: Understand that human activities can create an increase in carbon dioxide concentrations. Biogeochemical cycles. The teacher, acting as a team facilitator when necessary, will informally assess students cooperative learning skills as demonstrated within their pairs and/or small groups for the duration of the lesson. Then, label each location with the system it represents. Path 3: and more. Carbon Path: Lithosphere: Earths carbon has been researched to have large limestone deposits. (The lithosphere is The limestone gets heated. Give Me Liberty! This research will deepen their understanding of the sub-cycles that support the global carbon cycle. Prior Knowledge Questions (Do these BEFORE using the Gizmo.) D. Describe at least two ways that carbon can get from seashells to the atmosphere. The audience members provide written feedback to each group, which can be incorporated into assessment of their work. (Hint: One of the ingredients in cement is Plants goes to soil and two ways that natural gas forms. In this game, students take on the role of a carbon atom as it cycles through the Earth, moving around different stations placed around the classroom to simulate the carbon cycle. the breaking down or dissolving of the Earth's surface rocks and minerals. Over 100- to 200-million-year timescales (the slow carbon cycle), carbon moves through the lithosphere, atmosphere, and hydrosphere.
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