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Canine House of Cards
Source Institutions
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
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.
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All Wound Up
Source Institutions
In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.
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Float My Boat
Source Institutions
In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-233.png?itok=ijtFigxH)
Action Figure
Source Institutions
In this project, students explore how levers work, by making a puppet with moving limbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-309.png?itok=02BOCoIS)
Paper Bridge
Source Institutions
In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-210.png?itok=bHJEAgI_)
Under Pressure
Source Institutions
In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-282.png?itok=lDVIDK6v)
Mirror Messages
Source Institutions
In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.
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Train Your Brain
Source Institutions
In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-205.png?itok=UMZp-jLS)
What's the Buzz?
Source Institutions
In this activity, learners construct a playable kazoo from inexpensive materials. They will experience how vibration creates sound waves and music.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-214.png?itok=InBNIO71)
Motion Picture
Source Institutions
During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-292.png?itok=RXlaKz-t)
Fingerprints
Source Institutions
In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-229.png?itok=gHEBjInX)
Hang Time
Source Institutions
Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-285.png?itok=ZKoNcAl4)
Air Lift
Source Institutions
In this physics activity, challenge learners to lift a book with just air using a plastic bag and a straw. This activity demonstrates compressed air and forces.
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High Rise
Source Institutions
In this design challenge activity, learners build a tower that can support a tennis ball at least 18 inches off the ground while withstanding the wind from a fan.
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Stack 'Em Up
Source Institutions
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-000-000-002-209.png?itok=L4CI__ys)
Screaming String Thing
Source Institutions
In this simple and fun activity, learners discover the relationship between vibration and sound by making a squeaky toy instrument out of simple household materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-916.jpg?itok=2gxlNoUr)
Paper Table
Source Institutions
In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-310.png?itok=3XhkT87c)
Super Golf Tower
Source Institutions
In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.
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Target Practice
Source Institutions
In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.