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In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.

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

During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

Design and create an optical illusion toy that makes two pictures appear to become one. This is called a thaumatrope and will allow the learner to investigate the phenomenon of persistence of vision.

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