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This activity (on page 3 of the PDF under GPS: Biodiversity Activity) is a full inquiry investigation into biodiversity.

free Ages 8 - 14 1 to 2 hours
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In this activity, learners determine the necessary conditions for pea seed germination.

$5 - $10 per group Ages 8 - 11 1 to 7 days
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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 examine the culture and history of the tomb site.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity (located on pages 9-14 of PDF), learners visit a cemetery to examine the distinguishing characteristics of rock weathering.

free Ages 8 - 14 1 to 7 days
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In this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

$10 - $20 per group Ages 8 - 18 1 to 7 days
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In this activity, learners will keep track of how much they can do in one minute. Instructors can pick something everyone will do for a minute, such as jumping up and down or drawing stars.

free Ages 4 - 14 5 to 10 minutes
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This activity (page 2 of the PDF under SciGirls Activity: Horse Ears) is a full inquiry investigation into animal behavior and communication.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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Learners construct a bird feeder from re-used materials. After hanging their feeder, they keep a journal about what birds visit the feeder.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
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In this activity, learners keep track of how much paper the group uses in a week. Build awareness of paper waste, while strengthening measurement and estimation skills.

free Ages 4 - 14 5 to 10 minutes
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In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins) to mutate s

$5 - $10 per group Ages 14 - 18 2 to 4 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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Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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This activity explores what it means for a computer to be intelligent and introduces the topic of what a computer program is and how everything computers do simply involves following instructions writ

free Ages 8 - adult 10 to 30 minutes
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In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document.

1 cent - $1 per group Ages 8 - adult 2 to 4 hours
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In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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Combine la lógica y los números en este juego para todas las edades.

free Ages 4 - 14 5 to 10 minutes
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In this activity, learners model a population of deer and see how the number of deer changes over time.

free Ages 11 - 18 10 to 30 minutes