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In this activity, learners construct a device that allows them to view 2-D images in 3-D.

In this activity about light and reflection, learners discover that what you see is often affected by what you expect to see.

In this trick, hold your hand over a burning candle without getting burned, by reflecting and transmitting the light of two candles. This activity is best suited as a demonstration.

In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a