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This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
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In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners explore genes and traits. Learners investigate their fingerprints and learn how to categorize them.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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Many people think the different stages in the life of a star are actually different types of stars, rather than just stages in the life of a single star.

1 cent - $1 per group Ages 8 - adult 5 to 10 minutes
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In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

1 cent - $1 per student Ages 6 - adult 10 to 30 minutes
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In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

1 cent - $1 per student Ages 6 - 18 1 to 7 days
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In this activity, learners explore how dinosaurs are named and what their names mean. Learners listen to "The Littlest Dinosaurs" by Bernard Most.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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In this activity, learners will discover how to find the "sweet spots" on a baseball bat. Whenever an object is struck, it vibrates in response.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this weather-related activity, learners make a portable cloud in a bottle.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this two-part math lesson, learners investigate problems that foster algebraic thinking across content strands. In the first part, learners explore even and odd numbers linked to quilts.

1 cent - $1 per group Ages 8 - 11 1 to 2 hours
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In this game, learners are volcanoes that must complete several steps to erupt. Starting at home plate, learners draw cards until they have enough points to move to first base.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners will explore how light can refract or break apart into different colors.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes