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In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.