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Did you know that you would be a different age if you lived on Mars? It's true!

Learners construct and use a "real" 3D coordinate system out of balsa wood and foam core. They will then be able to locate coordinates in space.

In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.