CLEAN > Teaching Climate and Energy Science > Earth Systems Investigations > Ecosystems and Carbon Cycle > Investigation Steps
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Investigation Steps

Step 1. Ask Questions

Students identify and discuss the issue or problem and begin to gather background information.
Time required: 2 class periods

Step 2. Plan Approach to Inquiry

Students view and analyze global CO2 data. Following this introduction, they use an interactive model to explore plant's role in the carbon cycle.
Time required: 4 class periods

Step 3. Conduct Investigations and Analyze Data

Students conduct their own investigation and prepare to communicate ideas.
Time required: 4 class periods

Step 4. Construct Response and Communicate to Others

Students prepare and communicate their response to the lesson's central question.
Time required: 2 class periods