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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

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners explore how engineers work in a team to solve problems.

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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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.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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In this physics activity, learners use square blocks to explore how towers fall. Learners attach a piece of string to the side of a block and then construct a tall tower on top of this base block.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.

$5 - $10 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.

$10 - $20 per group Ages 8 - 18 2 to 4 hours