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Racing with the Sun: Creating a Solar Car
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Learners use engineering design principles to construct and test a fully solar-powered car. Solar car kits usually include a photovoltaic cell and motor; some include a chassis as well.

Bird Feeders
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In this activity, learners build a bird feeder or feeders to attract birds for observation.

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.

Breathing Machine
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In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons.

Hot Stuff!: Creating and Testing for Carbon Dioxide
In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas.

How to Make an Audio Tape Bow
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From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

Mapping the Spread of HIV/AIDS: Trailing the Pandemic
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In this activity, learners act as epidemiologists by mapping the prevalence of HIV/AIDS worldwide.

Home Water Audit
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This activity offers learners and their families several ways to raise their awareness together about home water.

Lungometer
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In this environmental health activity, learners investigate their own vital lung capacities.

Hot Stuff!: Testing Ice
In this demonstration, learners compare and contrast regular water ice to dry ice (frozen carbon dioxide). Both samples are placed in a solution of acid-base indicator.

Food for the Brain
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In this activity, learners dissect a piece of pizza to learn about nutrients important for health.

Ocean in a Bottle
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.

Measuring Blood Pressure in Space
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In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.

What Cells Can I See in Muscle and Spinal Cord Tissues?
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In this activity (page 37 of the PDF), learners observe, on a prepared slide, muscle and spinal cord cells from a rat.

Build A Bee Bath
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In this activity, learners use found natural materials to create a water haven for bees and other insects.

Seeing Your Blind Spot
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This activity (aka "snack") provides instructions for discovering your blind spot. It is an exploration of light and visual perception using simple materials you may have around the house.

BioBlitz
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In this activity (on page 2 of the PDF under GPS: Biodiversity Activity), learners will pair up and take a notebook outdoors to a selected location to observe and record a list of living things that t

What Does Spit Do?
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Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.

Wolf Postures
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In this activity, learners investigate how wolves communicate with each other through different body postures.

Lotus Leaf Effect
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This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.