Students explore optical illusions. For this Applied Science lesson, students view optical illusions and record the data of what they see. Students graph the data that they collect.

For this color worksheet, students answer questions involving the visible spectrum. These eleven short answer questions involve wavelength, lux, and the effects of color on mood.

Students study the parts and functions of the human eye. They create dodecagons which are twelve-sided figures with twelve equal angles and share these with the class so that each student can begin to see how many different illusions can...

Learners investigate the essential concepts of how lenses work to magnify vision, and then build simple telescopes to demonstrate their understanding. They write a description of how their telescope could be improved and how it works.