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Linkages
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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.
The Shape of Floatation
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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.
What Smart Metal!
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In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
Spaghetti Bridge
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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.
Strengthen a Paper Bridge
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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
Foam Tower
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In this activity (page 1 of the PDF under SciGirls Activity: Water Slides), learners will whip up some suds with a cup of water and a tablespoon of dish soap until the bubbles are stiff enough to star
Critical Load
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In this activity, learners explore the concepts of structural engineering and how to measure the critical load, or the maximum weight a structure can bear.
Leaves: Designing Leaf Arrangements on a Branch
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In this hands-on activity, learners investigate the functional design of leaves on a tree.
High Rise
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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.
Sticky Structures
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.
How Many Pennies?
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In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
Marshmallow Models
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No glue is needed for learners of any age to become marshmallow architects or engineers.
Shape Up!
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In this activity (pages 8-9), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
Building with Wonderful Junk
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In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.
Speedy Shelter
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In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.
Secret Messages
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In this activity, learners use Teflon (PTFE) tape to write secret messages.
Cup Towers
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In this activity, learners explore different ways to stack cups to meet a personal goal.
Bridge Building
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This is a quick activity (on page 2 of the PDF under Hockey Sticks Activity) about how the arrangement of carbon atoms determines carbon's different properties.
Sand Castle Saturation
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In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.
Milk Carton Boats
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This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.