1. SEP Develop Models Use the space to create a model of the investigative
phenomenon. As you develop your model, consider the following:
• Why are fireworks different colors? What features of the atomic structure
might be part of the reasoning? How is light made or moved?
• Your model does not need to include every feature of the phenomenon.
Instead, focus on the features that you think are important for explaining
how or why the phenomenon occurs.
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Use labels to identify and differentiate the components of your model.
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Choose an appropriate scale for the model. If needed, label any specific
dimensions or measurements.