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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 optics activity, learners conduct an experiment to find out why two eyes are better than one!

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

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 activity, learners create an optical illusion by spinning two attached cups. A round ball seems to magically appear when the cups spin.

In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.

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

In this activity, learners try to blow up a balloon hanging inside of an empty bottle.