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In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.

In this nutrition activity, learners explore food labels and consider the nutritional value of foods. Learners also explore units of measurement commonly used on food labels.

In this activity, learners model the gravitational fields of planets on a flexible surface.

In this activity, learners make cool boxes out of old (or new) greeting cards or postcards.

In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.