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Lifting with Levers!
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In this fun hands-on activity learners explore a simple machine: the lever. What happens to a load when you multiply the length of a lever? Find out here!
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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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Canine House of Cards
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This simple construction activity teaches the importance of architectural structure. Learners build and test designs for a paper "doghouse" strong enough to hold the weight of a jumbo dog biscuit.
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Set It Straight
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In this activity, learners build a simple tabletop seesaw to test how different variables (the position of the fulcrum, distance, weight) affect its balance under increasing weight loads.
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What Gives?
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In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.
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Deep Sea Diver
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In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.
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Geometry and Algebra: The Future Flight Equation
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In this activity, learners discover how NASA engineers develop experimental aircraft.
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Tired Weight
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Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.
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Strengthen a Paper Bridge
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In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp
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Egg Bungee Jump
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In this activity, learners design a bungee jump for an egg using nylon stockings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-210.png?itok=bHJEAgI_)
Under Pressure
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In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.
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Critical Load
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In this activity, learners explore the concepts of structural engineering and how to measure the critical load, or the maximum weight a structure can bear.
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Clay Beams and Columns
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-325.jpg?itok=qGcNBjE_)
Paper Cup Stool
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In this activity, learners will explore how and why weight distribution works.
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Bridge the Gap
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.
Build a Bridge
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In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.
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Balancing Act
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In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.
Build a Borneo Glider
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So
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A Question of Balance
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In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.
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How Many Pennies?
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In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.