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In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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This activity was designed for blind learners, but all types of learners can utilize it to investigate volume, mass, and density.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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In this math lesson, learners practice estimation and measurement skills as they move from station to station calculating length, volume, weight, and area.

1 cent - $1 per group Ages 8 - 11 1 to 2 hours
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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.

$10 - $20 per group Ages 8 - 14 1 to 4 weeks
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In this activity about bones (page 12 of PDF), learners investigate and compare the weight-bearing capacity of solid and hollow cylinders.

$1 - $5 per group Ages 6 - 11 1 to 2 hours
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In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.

$1 - $5 per student Ages 8 - 11 10 to 30 minutes
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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes