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In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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In this activity on page 9 of the PDF, learners make their own paint using chalk as a pigment and glue and water as binders. This activity introduces learners to special mixtures called suspensions.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners explore the engineering design process and the basic mechanics behind building bridges as they build one themselves using gumdrops and toothpicks.

$5 - $10 per student Ages 8 - adult 30 to 45 minutes
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In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

$10 - $20 per student Ages 4 - 8 10 to 30 minutes