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Leaves: Designing Leaf Arrangements on a Branch
Source Institutions
In this hands-on activity, learners investigate the functional design of leaves on a tree.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-855.jpg?itok=tRthDvhr)
Marble Run!
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-313.jpg?itok=VvMyIJ-x)
Nosedive
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This is a great activity for investigating the basics of lift and drag as they pertain to flight. Learners will discover how to avoid "taking a nosedive" by building their own paper airplane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-535.png?itok=7sKh2tES)
Reason for the Seasons
Source Institutions
In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-675.jpg?itok=gt3CzHb-)
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-228.png?itok=-nBx0Gym)
Go Fly a Kite
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In this hands-on activity, children create their own kites that can fly indoors. Learners are exposed to basic concepts of gravity and air resistance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-664.jpg?itok=VwYD7Drl)
Tiny Geyser Models
Source Institutions
In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-710.gif?itok=nblIGPHx)
The Squeeze Box
Source Institutions
In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-308.jpg?itok=zT9IJeOj)
Which Parachute
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In this activity, learners will engineer three different parachutes to test how well each one works.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-923.jpg?itok=_-xqjUQh)
Sky Glider Challenge
Source Institutions
In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-494.gif?itok=-2gJLmsw)
Garden Poles
Source Institutions
In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.
Build a Borneo Glider
Source Institutions
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
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-953.png?itok=9CzBtMB9)
Tall Tower Challenge
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In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-221.jpg?itok=crjtQ1Gw)
Stomp Rocket
Source Institutions
In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-138.png?itok=7bDvYmMq)
How Do Probes Get To Space?
Source Institutions
Investigate how force and thrust work to propel rockets into outer space. Build a rocket: a blown-up balloon taped to a drinking straw threaded through some string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-203.png?itok=v0WYoBhV)
Thrill Ride
Source Institutions
In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-217.png?itok=RPsnvrZy)
Blow It Away
Source Institutions
In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-525.jpg?itok=xR9KHaBk)
Roller Coasters
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In this activity learners will build roller coasters and test them using small balls or marbles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-921.gif?itok=4MAqC_S6)
Watercraft
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In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-160.jpg?itok=8ZSpyCs5)
Modeling Tidal Action
Source Institutions
In this activity (Lesson 1), learners work in groups to create tide simulations.