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    National Health Museum
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    This three-part lab helps learners understand the essential principles governing diffusion and osmosis. Dialysis tubing is used to simulate an animal cell and actual plant cells are used to...

    Over $20 per group Ages 14 - 18 4 to 24 hours
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    Science Friday
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    In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles. Learners investigate how surface tension works and...

    $10 - $20 per student Ages 11 - 14 45 to 60 minutes
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    University of Utah
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    In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation. Learners may compare differing SPFs of the...

    Over $20 per group Ages 8 - adult 1 to 2 hours
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    American Chemical Society
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    Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    University of California Museum of Paleontology
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    Learners observe and record what happens when they manipulate bottles containing a liquid (water or corn syrup) and one or more objects (screw, nail, paper clip). They should observe differences in...

    $1 - $5 per group Ages 4 - 8 30 to 45 minutes
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    Cornell Center for Materials Research
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    In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution. The goal of this activity is to provide an interesting experiment which learners of...

    $5 - $10 per group Ages 8 - adult 2 to 4 hours
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    Centers for Ocean Sciences Education Excellence
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    This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors. Learners attempt to capture "food" (a lentil) with a feeding...

    $5 - $10 per group Ages 8 - 18 30 to 45 minutes
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    Astronomical Society of the Pacific
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    In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets. Learners will investigate the ingredients in comets and how...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes