Exploring Mars - #3: What Can Craters Tell Us About a Planet?
Students examine images of Martian craters and speculate about what caused them. Next, they model the formation of the impact crater by dropping objects into a tray of powder. The examine the effects of each impact and the features each impact creates. Students re-examine the images of the Martian craters to see if their modeling experience gives them additional insights. They create hypotheses to try to explain features not seen in their models. Students write a plan to test one of the hypotheses and carry out their investigations. Finally, students apply their modeling experiences by making several inferences.

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