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Automotive Emissions and the Greenhouse Effect
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.
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Test the Finger Wrinkle Hypothesis
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Learners create a tool to measure how well they grip a wet object when their fingers are smooth versus wrinkly. Are smooth or wrinkly fingers better at holding on to the object?
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Neato-Magneto Planets
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In this activity, teams of learners study magnetic fields at four separate stations: examining magnetic fields generated by everyday items, mapping out a magnetic field using a compass, creating model
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Seeing the World Through a Different Lens
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Learners participate in a variety of activities modeling different disabilities.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
Building Houses: Build a Cardboard Tube House
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Build a house you can fit inside, using cardboard tubes.
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Challenge: Microgravity
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In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod
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Building A Storm Drain
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In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.
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Build an Overhead Projector Spectroscope
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.
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Floating and Falling Flows
Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.
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Cable Car
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.
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Bouncing Yo-Yo
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In this activity, learners build unique yo-yos, which spin round and round without moving up and down.
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Hovercraft
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In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.
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Cleaning Water with Dirt
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In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.
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Energetic Musical Instruments
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Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones.
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Sand Castle Saturation
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In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.
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The Orange Game: Routing and Deadlock in Networks
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When a lot of people share one network (such as cars using roads, or messages getting through the Internet), there is the possibility that competing processes will create a “deadlock," or an interrupt
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Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.
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Design a Parachute
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After a discussion about what a parachute is and how it works, learners create parachutes using different materials that they think will work best.
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Beat the Clock: Sorting Networks
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Even fast computers are limited to how quickly they can solve problems. One way to speed things up is to use several computers at once.