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In this archaeology-related activity, learners build their own time capsule and choose a storage location and a date to reopen it.

$1 - $5 per student Ages 6 - 14 45 to 60 minutes
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In this activity (on page 1 of the PDF under SciGirls Activity: Earthquakes), learners will use a magnifier to carefully examine samples of sand from different locations.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this lab (Activity #1 on page), learners explore how we see color.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this chemistry meets cooking activity, learners make carbonated, vanilla ice cream using dry ice and denatured ethanol, which are both inexpensive and accessible.

Over $20 per group Ages 8 - adult 45 to 60 minutes
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In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
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In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
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In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the homework.

free Ages 8 - 14 45 to 60 minutes
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In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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In this activity, learners work in groups to create a time line representing significant moments in their lives.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity, some learners pretend to be wolves, while the other learners pretend to be the prey of the wolf. The goal of the simulation is to have the wolves work together to survive.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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Build a phonograph record player using a cactus needle, a record, LEGOs gear box, and a piece of paper! This activity uses a Pico Cricket to turn the motor.

$10 - $20 per group Ages 8 - adult 45 to 60 minutes
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In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners play a series of simple games to investigate navigation without visual and sound cues.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners are challenged to design and build a miniature tree house in a potted plant. This activity uses engineering concepts to encourage creativity.

$10 - $20 per student Ages 8 - adult 45 to 60 minutes
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In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes