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Guess My Number
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In this game, learners experience how computers divide a big problem into many smaller ones and how they use binary "yes"/"no" questions.
Walking Polygons
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In this activity, learners walk the sides and interior angles of various polygons drawn on the playground. As they do so, learners practice rotating clockwise 180° and 360°.
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.
Far-Out Corners
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Are there boxes, is this an illusion, or is this real life Q-bert? Illusions are always fun to build especially when you can build them.
Memory Solitaire
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In this online game, learners practice memory recall. They are shown a collage of pictures for two minutes, then have to write down everything they remember and check how they did.
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.
Measuring Your Blind Spot
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In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper.
Cookie Subduction
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This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.
How can Clouds Help Keep the Air Warmer?
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In this activity, learners explore how air warms when it condenses water vapor or makes clouds.
Exploring Size: Tiny Ruler
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In this activity, learners investigate just how small a billionth of a meter is by attempting to cut a paper ruler down to a nanometer-sized sliver.
Rate of Solution Demonstration
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In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.
Black Magic (Color Chromatography)
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With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.
Mirror Reversal
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Challenge popular misconceptions, learners explore how a mirror actually reflects an image in this activity.
Water Drop Races
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In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.
Floating Candles
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.
Non-Round Rollers
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Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.
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.
A Stand-up Egg
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.
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.