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No bones about it!
Source Institutions
This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.
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Leaning Tower of Pasta
Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-596.jpg?itok=w7rKDEN5)
Air Cannon
Source Institutions
In this activity (page 1 of PDF under SciGirls Activity: Forecasting), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end
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Hockey Stick Power!
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Hockey) is a full inquiry investigation into how a hockey stick’s flex affects shooting power and accuracy.
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Solar Water Heater
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.
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Plastics the Second Time Around
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-110.png?itok=JIU6fpbG)
House Warming
Source Institutions
In this physical sciences activity, learners explore how passive solar design increases energy efficiency.
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FlyBy Math: Distance-Rate-Time Problems in Air Traffic Control
Source Institutions
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.
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Indicating Electrolysis
Source Institutions
Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.
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Multi-Variable Relations: Stressed to the Breaking Point
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-791.png?itok=mG3Omqkw)
Design a Safer Bicycle Helmet
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-327.jpg?itok=TmOwjJri)
Dinosaur Breath
Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-915.jpg?itok=HvBB6tTl)
Nano Waterproofing
Source Institutions
This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.
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Earthquake-Proof Buildings
Source Institutions
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
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Not Just A Bag Of Beans
Source Institutions
In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-058.jpg?itok=WNVOFe2V)
Fun with Speedboats
Source Institutions
In this activity, learners explore how boats are engineered to achieve speed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-960.jpg?itok=bdPFQpmM)
Portable Sundial
Source Institutions
Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-038.jpg?itok=elSaY9M5)
How the Rubber Meets the Road
Source Institutions
In this activity, learners explore how engineers design tire treads to increase safety and reliability.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-526.png?itok=tu74uLgT)
Self-Assembling Dessert Toppings
Source Institutions
This is an activity (located on page 3 of the PDF under Self-Assembly Activity) about self-assembly, the ability of molecules to assemble themselves according to certain rules.
Simple Submarine
Source Institutions
Using simple, inexpensive items, learners build and test submarine models.