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When you see these beautiful multi-colored arcs, you are viewing sunlight that has been refracted in water droplets. When the sunlight is refracted, different wavelengths of visible light are refracted at different angles, allowing you to see the different colors of a rainbow.
360Science™: Build a Spectroscope from Household Materials
Students are challenged to design and build a spectroscope using a diffraction grating and household materials.
Newton’s Color Wheels
What is color? Why do we see different colors? In this demonstration, the concept of color will be demonstrated using a centrifuge device.
The Disappearing Beaker
Students will be amazed as various glass objects seem to vanish when immersed in a beaker of pale yellow oil.