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Bird in the Cage
Source Institutions
In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.
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Endurance: How Many Can You Do in a Row?
Source Institutions
Combine math and exercise with this activity. Learners count how many times in a row they can skip rope or throw and catch a ball.
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Ice Tower Excavation
Source Institutions
In this activity, learners will pretend to be archaeologist using this chilling experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-408.png?itok=dd_A7Gmi)
Why Does the Moon Have Phases?
Source Institutions
In this activity, learners use a simple 3D model to discover why the Moon has phases.
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Creating Craters
Source Institutions
In this activity, learners will investigate how craters are made and the different factors that contribute to size left from the impact.
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Making Vocal Cords
Source Institutions
In this activity, learners imitate the way vocal cords work by building a model from a plastic cup, rubber band, and a straw.
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Tangram Challenge
Source Institutions
In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.
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Soil Density
Source Institutions
In this activity, learners will test soil content using their sample, some water and a container that seals.
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Biobarcodes: Antibodies and Nanosensors
Source Institutions
In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.
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Scent Tracking
Source Institutions
In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-663.jpg?itok=YT3zX0s-)
Aerogel
Source Institutions
This activity/demo introduces learners to aerogel, a glass nanofoam. Learners discover how aerogel is made and how well it insulates as well as learn about aerogel's other unique properties.
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Self-Portrait Silhouettes: Activity 2
Source Institutions
In this activity, learners make a photographic image—without a camera!
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Flower Power
Source Institutions
In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors.
Special Snack: Budgeting for Health
Source Institutions
In this activity, learners will plan a snack within a budget. With a $20 limit (theoretical) to spend on snack for everyone, learners look over grocery store circulars and make their shopping lists.
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Neutralizing Acids and Bases
Source Institutions
Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.
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Measure Yourself in Nanometers
Source Institutions
In this activity, learners will be able to measure themselves in nanometers. A nanometer is a billionth of a meter, a unit of measurement used in nanotechnology.
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Make a Comet on a Stick
Source Institutions
In this activity, learners craft their own model of a comet on a stick to make it fly around the room.
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Water Underground
Source Institutions
Many people get water from a source deep underground, called groundwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-705.jpg?itok=LMGNJNJ9)
Rubber Band Racer
Source Institutions
In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-516.jpg?itok=OohLFBP-)
Exploring Size: Scented Balloons
Source Institutions
In this activity, learners use their sense of smell to explore the world on the nanoscale.