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A-Mazing Robot
Source Institutions
This activity lets you program your 'robot' (a willing friend) to pick up and dispose of some 'toxic waste' using as few commands as possible.
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Carousel Pump
Source Institutions
In this activity, learners build a carousel toy that spins when pushed down.
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Linkages
Source Institutions
This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.
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Caution! Wildlife Crossing
Source Institutions
In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.
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Parachutes
Source Institutions
In this activity, learners will investigate air and gravity through the use of various fabrics by through them in the air. Activity includes step-by-step instructions and extension ideas.
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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.
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Public Key Encryption: Kid Krypto
Source Institutions
In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-037.png?itok=V4eZSyL-)
Heavy Lifting: Design Squad
Source Institutions
In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.
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Battleships: Searching Algorithms
Source Institutions
This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.
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Hull Engineering
Source Institutions
In this activity, learners explore how the hull shape impacts a ship's performance and stability.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
Hold a Hill
Source Institutions
In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
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Design For All: Project Playground
Source Institutions
In this design challenge, learners will practice empathy and design thinking skills by creating a play space that is fun, both for themselves and other kids.
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Engineering For Earthquakes
Source Institutions
In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
Source Institutions
In this activity, learners investigate color vision as well as plan and conduct their own experiments.
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Two Washers
Source Institutions
In this activity, learners create a mind and math puzzle that requires a three-dimensional solution.
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Making a One-Second Timer
Source Institutions
This lab activity has learners create a pendulum with a one-second period.
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Pulleys
Source Institutions
In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.
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Don't Crack Humpty
Source Institutions
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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Matraca
Source Institutions
In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.
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Making With Microbes
Source Institutions
In this design challenge, learners will use microbes to design and grow a custom biomaterial at home and make something creative with it.