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Creating a physical representation of ideas can help students connect low level details with high-level concepts for each unit.
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Activity:
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Brainstorm as a class different concepts that you’ve covered in the current unit.
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Next, have students pair up or work alone to develop a concept map using these concepts.
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Have students share their concept map by:
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creating their concept map on a chalkboard or whiteboard, or
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displaying their concept map using a document camera.
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having everyone put their concept maps on a large flat surface side by side.
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Discuss the strengths of each concept map to reinforce some of the concepts and connections from the unit.
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Alternate activity using concept maps:
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Assign different units to each student to develop a concept map for.
 - Combine these all into one concept map at the end of the class as a course overview and study guide.