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In this activity, learners discover how the extent of various wind speeds changes in each of the four quadrants around a hurricane.

free Ages 11 - 18 10 to 30 minutes
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This activity introduces the idea that computer scientists measure information by how "surprising" a message is.

free Ages 8 - 14 30 to 45 minutes
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In this math game, learners try to earn the most points by winning stacks of four dice. Learners practice number recognition and addition skills.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this fun math activity (page 5 of the pdf), learners will help a secret agent crack a case by solving math problems.

free Ages 8 - 11 30 to 45 minutes
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In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this game, learners build up six stacks of cards in the middle of the table, face up, in order from 1 at the bottom to 20 on the top. The first player to get rid of all his cards is the winner.

1 cent - $1 per group Ages 6 - 11 5 to 10 minutes
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In this activity (18th on the page), learners conduct an experiment to examine memory.

1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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This activity (on page 2 of the PDF under SciGirls Activity: Extreme Sounds) is a full inquiry investigation into sound.

Over $20 per group Ages 8 - 14 2 to 4 hours
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In this math lesson, learners explore polynomial and rational function patterns.

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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In this math lesson, learners use the setting of a flower-making fundraiser to explore a variety of patterns. Learners examine the patterns in a flower design made of triangles surrounding a square.

$1 - $5 per group Ages 6 - 11 1 to 2 hours
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In this math activity, learners use non-standard measurement (paces) to find the distance from one point to another. Learners practice estimating and measuring distances .

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this math lesson, learners compare products to determine the best product.

$5 - $10 per group Ages 8 - 11 45 to 60 minutes
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In this math lesson, learners identify, describe, and construct the five regular polyhedra.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this math activity, learners play a game similar to 20 Questions, in which learners must identify a secret number drawn from a bag.

1 cent - $1 per group Ages 4 - 8 5 to 10 minutes
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In this interdisciplinary activity, learners create a Space Weather Action Center (SWAC) to monitor solar storms and develop real SWAC news reports.

Over $20 per group Ages 8 - 14 4 to 24 hours
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In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second.

free Ages 11 - 18 45 to 60 minutes