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In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this creative roleplay activity, learners will explore the various processes of the water cycle using movement, sound, and props to aid in comprehension.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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Ancient trash tells archaeologists a lot about the past. In this activity, learners take a close look inside their trash can and think about the clues it offers about their lives.

$1 - $5 per student Ages 6 - 14 45 to 60 minutes
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In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this outdoor winter activity, learners search for and create hibernation sites that will protect gelatin "animals" from freezing.

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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In this activity, learners experiment and collect data during a simulation of the fluid shifts experienced by astronauts' bodies in microgravity.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
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Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity related to computer programming, learners give directions to a "robot" (either an adult or another learner) and find out which instructions the robot is able to follow, and how their

$1 - $5 per group Ages 6 - 18 10 to 30 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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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 forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.

$1 - $5 per student Ages 11 - 18 1 to 7 days
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In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.

$1 - $5 per group Ages 6 - 14 45 to 60 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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This activity (located on page 3 of the PDF under GPS: Farm Animals Activity) is a full inquiry investigation into raising livestock.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners investigate different types of bird beaks using household items which mimic different beak examples.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes