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In this game, learners use clues to identify mystery shapes. Use everyday objects (like from the pantry) as the shapes.

1 cent - $1 per group Ages 4 - 8 30 to 45 minutes
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In this physics activity, learners build their own rockets out of film canisters and construction paper.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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In this math game (Page 14 of the Are You Game? PDF), learners determine the probability of getting an even versus an odd product using the numbers on a regular deck of cards.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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This is a web activity about simple machines. Learners will explore a lawn mower and identify six different simple machines which work together to help make our lives easier.

free Ages 8 - 11 Under 5 minutes
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Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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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 related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most. Then, learners estimate the size of a Triceratops and T.

1 cent - $1 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners will imagine the challenges and opportunities of asteroid mining.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.

1 cent - $1 per student Ages 4 - 8 45 to 60 minutes
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This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

Over $20 per group Ages 8 - 14 1 to 2 hours
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This activity introduces the idea of "divide and conquer" using a fictitious but serious problem--a pair of dirty socks has accidentally been wrapped in one of the presents that Santa is about to deli

free Ages 8 - 18 30 to 45 minutes
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In this activity, learners use information gathered from a variety of sources to design and make their own insect.

1 cent - $1 per student Ages 4 - 14 45 to 60 minutes
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In this math game (Page 15 of the Dining Out! PDF), learners figure discounts and/or profit increases for various food totals. Learners add decimals to $100.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.

$10 - $20 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

$1 - $5 per student Ages 8 - 18 1 to 7 days
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In this space science activity, learners explore transits and the conditions when a transit may be seen.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes