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Showing results 1 to 20 of 21
Seeing 3D
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Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!
Colors Collide or Combine
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Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.
CD Spectroscope
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In this activity, learners use an old CD to construct a spectroscope, a device that separates light into its component colors.
Earth's Energy Cycle: Albedo
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.
Soap-Film Painting
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Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.
The Three Little Pigments: Science activity that demonstrates the primary and secondary colors of lightScience activity that demonstrates the primary and secondary colors of light The Three Little Pigments Know your C, M, Y, and K.
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Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image.
Mix and Match
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.
Light Quest
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Learners test their "light-smarts" by playing a game called "Light Quest!" The game board represents an atom and each player represents an electron that has been bumped into the atom's outer unstable
Soap Film on a Can
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The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.
See It to Believe It: Visual Discrimination
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In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.
Exploring the Universe: Filtered Light
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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.
Pie-Pan Convection
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It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.
Why is the Sky Blue?
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In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.
Color Contrast
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Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.
Sand Activity
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In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.
Splitting White Light
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In this optics activity, learners split white light into all its component colors using three household items: a compact disc, dishwashing liquid, and a hose (outside).
Color Table: Color your perception
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Look at pictures through different color filters and you'll see them in a new way. People have used color filters in beautiful photography or sending secret messages.
Rainbow in the Room
Source Institutions
This activity generates learner excitement about light through the creation of a room-sized rainbow.
Radial Chromatography
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How many colors make black? Gather as many water soluble black markers as you can find.
Rainbow Refraction
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In this activity, learners will explore how light can refract or break apart into different colors.