Search Results


Showing results 241 to 260 of 419

Add to list Details
Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

$10 - $20 per group Ages 14 - 18 1 to 7 days
Add to list Details
In this activity, learners test and compare the physical properties of thermoplastic polymers. Learners compare different plastics based on their color, degree of transparency, texture, and density.

$1 - $5 per group Ages 14 - adult 30 to 45 minutes
Add to list Details
In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Over $20 per group Ages 14 - 18 2 to 4 hours
Source Institutions
Add to list Details
In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems.

$5 - $10 per group Ages 8 - 18 1 to 7 days
Source Institutions
Add to list Details
Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
Add to list Details
Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

$5 - $10 per group Ages 11 - adult 1 to 2 hours
Add to list Details
In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners use their strength to light a light bulb. A chain made from paper clips is placed in series with a battery and flashlight bulb.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another

free Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners design a bicycle helmet. Participants will explore the design of bicycle helmets to gain an appreciation for the role that helmet layers play protecting the head.

Over $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners explore how watermills have helped harness energy from water through the ages.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners will use a variety of household and/or natural objects to design a sculpture that balances from a single point.

free Ages 6 - adult 30 to 45 minutes
Add to list Details
In this activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills).

$1 - $5 per group Ages 8 - 18 4 to 24 hours
Source Institutions
Add to list Details
This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this geology and engineering activity (page 7 of the PDF), learners build an earthquake simulator, then use it to test various building designs, exploring different materials, shapes, and design op

Over $20 per group Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes