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In this activity, learners will discover what it takes to be a frog. By dressing up like one, learners can visualize how each part of the frog plays an important role in surviving its habitat.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners create and understand surface currents. Learners create example surface currents and discover how landmasses affect the current.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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This is an activity about dinosaurs, fossils, and the work of paleontologists. Learners use hand tools (paint brushes, scoops, and sifters) to unearth fossil specimens in tubs of birdseed.

$1 - $5 per group Ages 4 - 6 10 to 30 minutes
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In this activity, learners use raisins and seltzer water to understand why waves don’t move objects forward. Learners conduct two simple experiments to understand the circular movement of waves.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners test how cornstarch and glitter in water move when disturbed. Learners compare their observations with videos of Jupiter's and Earth's storm movements.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity (on the left side of page 5, continued on the right side of page 4 of the PDF), learners make models of colorful butterflies.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.

free Ages 11 - 18 10 to 30 minutes
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Build and test a scale model of a rainforest canopy walkway.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will dissect a pumpkin or winter squash to learn the parts of the plant. This activity gets your learner hands on with every part of the plant and will be messy.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.

1 cent - $1 per student Ages 6 - adult 10 to 30 minutes
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This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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This activity is on page 8 of the pdf, part of the Sea Life Discovery Box. This is an activity exploring the characteristics of fish.

$1 - $5 per group Ages 4 - 6 10 to 30 minutes
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In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes