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Showing results 21 to 40 of 43
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.
Exploring Materials: Graphene
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In this activity, learners investigate the properties of graphene and graphite.
Exploring Ultraviolet (UV) light from the Sun
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In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.
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.
Circles or Ovals?
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This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?
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.
Lager Lamp
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In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.
Constellation Detective
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In this quick activity, learners practice locating a constellation in a map of very dark skies.
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!
Pringles Pinhole Camera
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An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens.
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.
Observing the Moon
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Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.
Safer with Science-Masks
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Why should we wear masks? Do masks work? Do some masks work better than others? Learners find out in this activity.
Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
Rainbow Film
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Does the Moon Rotate?
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.
Water Underground
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Many people get water from a source deep underground, called groundwater.
Plants Around a Building
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.
Erupting Fizz
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.