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Slide Rules
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Learners make their own simple slide rules out of paper and learn how they work.
Sugar Crystal Challenge
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This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.
Bone Basics
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This is an activity (on page 2 of the PDF under Bone Regrowth Activity) about the two main components of bone - collagen and minerals (like calcium) - and how they each contribute to its flexibility a
The Carbon Cycle: Carbon Tracker
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In this activity, learners play NOAA's Carbon Tracker game and discover ways to keep track of carbon dioxide and other greenhouse gases in the world.
Don't Throw it in the Garbage
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In this activity, learners discover why only some types of plastic can be recycled.
Headphone Helper
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.
Protect That BRAIN!: Mr. Egghead
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This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.
Oil Spill Cleanup
This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.
As the Rotor Turns: Wind Power and You
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In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed from
Big Banner Mural
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This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.
Resonant Rings
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Things that are different sizes and stiffness vibrate differently, and in this Exploratorium Science Snack, you'll see how rings of various diameters react to vibration and external forces.
Engineering Ups and Downs
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In this activity, learners explore the engineering and principles behind working elevators.
A Model Nuclear Power Plant Steam Turbine
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In this activity (on pages 20-23 of PDF), learners build a model of a power plant using simple materials.
Papermaking at Home
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Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.
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.
The Effects of Acid Rain
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In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.
Exploring Fabrication: Gummy Capsules
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In this activity, learners make self-assembled polymer spheres.
Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).
Fill 'er Up!
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Learners discover that their breath contains carbon dioxide, one of the pollutants found in car exhaust.
Sand, Plants and Pants
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.