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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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-133.png?itok=YS8DHzAr)
Spaghetti Bridge
Source Institutions
Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.
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Strengthen a Paper Bridge
Source Institutions
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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Build A Treetop Walkway
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Build and test a scale model of a rainforest canopy walkway.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-222.png?itok=fyRY1NC8)
Stack 'Em Up
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In this simple and fun activity, learners build a tower of cups to explore distribution of weight. Learners make predictions about their towers and test their designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-410.jpg?itok=3xTvEX1F)
Round & Round
Source Institutions
In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.