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Cupcake Delivery
Source Institutions
In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-686.jpg?itok=DAiTGkRA)
Tops
Source Institutions
In this activity, learners discover that some things only stand up while they are spinning.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-208.png?itok=CLGi1len)
Set It Straight
Source Institutions
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-000-000-002-958.jpg?itok=p4Tz2_th)
You Can't Take It With You
Source Institutions
This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-920.gif?itok=TrufROSt)
Zip Line
Source Institutions
In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-254.jpg?itok=cMB4ZLLb)
Wind Tube
Source Institutions
In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-072.jpg?itok=Dr5p3g0J)
Ewok Escape
Source Institutions
The goal of this Star Wars activity is to design and build a balancing device to help an Ewok escape the Imperial Forces by sliding down a tightrope to safety.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-285.jpg?itok=6iz8Z3jm)
Make a Mobile!
Source Institutions
In this activity, learners make mobiles to explore the concepts of balance, counterbalance, weight, and counterweight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-896.jpg?itok=JIQbZ6CP)
Zipline
Source Institutions
In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-637.png?itok=0rZ4ozbi)
Building with Wonderful Junk
Source Institutions
In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.