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Snowstorm in a Jar
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In this activity, learners will experiment with density and chemical reactions to create a flurry activity.

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.

Straw Oboe: Two lips make sound
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Oboes's unique sound originates from the two small reeds a musician blows into. Make your own double reed instrument out of straw!

Exploring Earth: Investigating Clouds
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“Exploring Earth: Investigating Clouds” is a hands-on activity in which visitors create a cloud in a bottle and explore it with laser light.

DIY Recycled Crayons
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In this activity, learners will experience the different states of matter using crayons as the medium. Explore matter changing between phases while recycling old crayons.

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.

Mystery Noises
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In this game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.
Penny Estimation
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In this math activity, learners estimate how many pennies are in a jar by predicting and counting handfuls of pennies.

Expose Your Nose
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In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

Designer Ears: Make “better” ears!
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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.
Starburst® Graph
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In this activity, learners use Starburst® candy to sort, classify, compare, and graph. Learners grab a handful of one-inch candy squares, sort them by color, graph the candy, and discuss the results.

Discovery Time: Birds
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In this activity, young learners, (2 years and up) explore bird behavior and adaptations by providing a homemade bird feeder and observing birds.

Butterfly Life Cycle
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In this activity, learners will explore the insect life cycle by making a model.

Falling Faster
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In this activity about gravity (page 6 of the PDF), learners will come to understand how all objects will fall at the same rate, but that air will slow things down.

Butterflies and Moths: Camouflage
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In this activity, learners make a camouflaged butterfly to hide outside for others to find.

Leaf Rubbings
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When was the last time you took a really close look at a leaf? In this activity, learners will use leaves and simple materials to make colorful leaf rubbings.

Spinning Blackboard
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Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.

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.

Exploring Materials: Hydrogel
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In this activity, learners discover how a super-absorbing material can be used to move a straw.

Morning Star and Evening Star
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This demonstration activity models how Venus appears from Earth.