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Cleaning with Dirt
Source Institutions
Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.
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Carousel Pump
Source Institutions
In this activity, learners build a carousel toy that spins when pushed down.
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Chemical Footprint—Family Activity
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In this multi-part activity learners examine non-point water pollution.
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Public Key Encryption: Kid Krypto
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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.
Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
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Hull Engineering
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In this activity, learners explore how the hull shape impacts a ship's performance and stability.
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Let's Clone a Mouse, Mouse, Mouse...
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Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
Hold a Hill
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In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
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Our Sense of Sight: Color Vision
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.
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Don't Crack Humpty
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Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.
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Inverse Functions: Pennies, Pressure, Temperature, and Light
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The major goal of this math lesson is to have learners collect data from a variety of experiments, determine what models best fits their data, and explain why their models are best.
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Solar Structures
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In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.
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Plugged in to CO2
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In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.
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Toxic Popcorn Design Challenge
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In this activity, learners explore the engineering design process (EDP)—the process engineers use to solve design challenges.
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Shipping for Survival
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In this activity, learners explore how packaging engineers develop customized shipping and packaging containers to meet the needs of many different industries.
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Engineered Music
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In this activity, learners explore how musical instruments are engineered.
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Linear Functions: Mystery Liquids
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In this math lesson, learners analyze the density of liquids in order to explore linear functions.
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Pesticides and Eggshell Thinning
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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.
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Whose Fault Is It?
Source Institutions
In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.
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Life Size: What's in a microbe?
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In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.