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In this activity, learners heat ice and water of the same temperature to get a hands-on look at phase changes. This is an easy and inexpensive way to introduce states of matter and thermodynamics.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure.

free Ages 8 - 14 5 to 10 minutes
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In this activity, young learners use different-sized paper 'caterpillars' and various household items to predict and measure their height.

$1 - $5 per group Ages 4 - 8 5 to 10 minutes
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In this math activity, learners play a game and use a variety of strategies to solve a hidden number problem (or missing factor). Learners practice their number and operations skills.

1 cent - $1 per group Ages 4 - 8 5 to 10 minutes
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In this math activity, learners create symmetrical designs for paper models of special blouses known as huipiles.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this hands-on activity, learners use toothpicks to build different triangles and squares and then use the toothpicks to build and solve some tricky shape puzzles.

$1 - $5 per group Ages 6 - 11 5 to 10 minutes
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In this math activity, learners play a game and try to be the first player to identify their partner's rule. Learners identify the rule by finding commonalities between three familiar objects.

free Ages 4 - 8 5 to 10 minutes
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In this activity, learners "go fishing," then practice ruler use and size/pattern comparison with the animals they catch.

$1 - $5 per group Ages 4 - 8 5 to 10 minutes
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In this activity, learners use various dress-up or costume pieces to play a game of change.

$10 - $20 per group Ages 4 - 8 5 to 10 minutes
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In this math activity, learners use problem solving skills to find a middle seat for Mary at the movies. Learners practice dividing numbers and identifying the middle of a quantity.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this math activity, learners guess which cereals contain the most sugar. Learners use the nutrition labels on the cereal boxes to find the cereal with the least amount of sugar.

$5 - $10 per group Ages 6 - 11 5 to 10 minutes
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In this activity, learners create a straw oboe to explore sound and pitch.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners experiment with inertia by performing an easy and hands-on investigation with a playing card and a stack of coins. The activity includes an accompanying Mr.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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Use multiplication to help the aliens find out how much fuel they need to get their spacecrafts home.

$1 - $5 per group Ages 8 - 11 5 to 10 minutes
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In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this hands-on activity, learners explore static electricity through the use of common household products. They also explore the connection between static electricity and cold weather.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this math activity, learners make and explore patterns using the letters in their names, a grid, and some colors.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this math activity, learners play a game and try to collect the most cards by guessing if the next number to appear will be odd or even.

$1 - $5 per group Ages 4 - 8 5 to 10 minutes
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In this math activity, learners find patterns in telephone numbers.

1 cent - $1 per group Ages 4 - 8 5 to 10 minutes
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In this game, learners strategize to be the first player to make three in a row.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes