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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can explore means of physically separating a mixture using dissolving, filtration, and evaporation. Separating a sand/salt...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes
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    NASA
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    In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid. During the...

    1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners discover that sand is the major ingredient in glass. They carry out a guided investigation involving chocolate to see what happens when heat is applied to a material that...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity, learners explore a bucket of sand and beach objects. First they sort items using observable characteristics, then they turn hard candy into "candy sand" to model where...

    $1 - $5 per group Ages 4 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach. Learners note similarities and differences among sand...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    COSI
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    In this activity (page 11 of the PDF), learners investigate how quickly water moves through various materials. They measure and compare the permeability of gravel, sand, and soil. Although this was...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    NISE Network
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    This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving). This activity also demonstrates how...

    $10 - $20 per group Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake. Learners will use a loaf pan, sand, water and a brick to model what happens to...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    COSI
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    In this activity about soil (page 7 of the PDF), learners will use their sense of touch as well as sight to understand how soil is classified based on texture and other details. They will compare...

    $5 - $10 per group Ages 8 - 11 4 to 24 hours
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    Twin Cities Public Television
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    In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe....

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes

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