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    Lunar and Planetary Institute
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    In this activity, learners discuss how life is defined and conduct a simple experiment, looking for signs of life in three different “soil” samples. The experiment introduces learners to the...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    WGBH
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    In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice. The...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    Science Friday
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    Learners explore the variables that affect the properties of ice and the places where different types of ice are found. Using evidence from informational text and multiple media resources, as well...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 30-36), learners simulate a dig for ancient pollen, to experience how paleobotanists study fossilized pollen in rocks to learn about early geological and climatological...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    BioEd
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    In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    BioEd
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    In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar. The first part of the activity (candle burning) should be conducted...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    BioEd
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    In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat. This lesson guide includes background information about digestion...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    NSBRI
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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. Learners will make...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this activity, learners model how the Moon's volcanic period reshaped its earlier features. Learners consider that the broad, shallow impact basins--which had formed earlier while it was a ...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    New England Aquarium
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    In this activity, learners explore how salt water freezes in comparison to fresh water. Use this experiment to consider how pond animals survive cold winters in comparison to animals that live in...

    1 cent - $1 per group Ages 6 - 14 1 to 2 hours

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