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Bubble Tray
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In this activity, learners use simple materials to create giant bubbles.
Iridescent Art
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This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.
See the Light
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In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.
Diffraction
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In this optics activity, demonstrate diffraction using a candle or a small bright flashlight bulb and a slide made with two pencils.
Release the Rainbow
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.
Color Vision
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In this online activity, learners make a whole rainbow by mixing red, green, and blue light. They can change the wavelength of a monochromatic beam or they can filter white light.
Oboe? Oh, Boy!
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In this activity, learners create a straw oboe to explore sound and pitch.
Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.