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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

New Sense about Cents
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In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.

Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

Hidden Alarm
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In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.

¡Huellas Digitales!
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En esta actividad, los aprendices leen sobre como Mateo y Cientina conducen una investigación forense para descubrir quien llevó unos dulces.

Salting Out
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In this activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.

Electric Gamebox Challenge
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In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.

The Awesome Game Race
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In this engineering activity, learners design their own board games.

Chemistry Is Colorful
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In "Chemistry is Colorful" learners explore different materials through paper chromatography.

Exploring Earth: Land Cover
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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Antibody Builder
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Learners use Duplo bricks to build antibodies with shapes that match model viruses.

Harmless Holder
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

Super Sleuths
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In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

Cooking With the Sun
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In this activity, learners build a simple solar oven out of household materials to melt chocolate and marshmallow between graham crackers--known as s'mores.

Kinetic Sculpture
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In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.

Dance Pad Mania
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Make your own "Dance Dance Revolution" dance pad! In this design challenge activity, learners work in teams to build a dance pad that lets you use your feet to sound a buzzer or flash a light.

Zip Line
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In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).

Pollution Diffusion
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Learners design their own experiment to investigate how pollution diffuses through ground material.

Exploring the Universe: Static Electricity
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This activity encourages visitors to build an electroscope—a simplified version of one of the tools scientists use to study the invisible forces on Earth and in space.

Molecules in Motion
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"Molecules in Motion" explores how materials behave and change in a vacuum.