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Use this activity (10th on the page) to help learners explore memory and how sometimes your brain makes up its own memories. Learners will read and try to remember the words in list #1.

In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.

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 activity about depth perception, learners create an optical illusion in a shoe box.

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 (13th on the page), learners complete a simple illusion trick to see through their own hand.

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 will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

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