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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...

    Ages 8 - adult
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    American Chemical Society
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    In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution. Learners are then challenged...

    Ages 8 - 14
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    Community Science Workshop Network
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    In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another...

    Ages 6 - 11
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    PBS
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    In this "Sid the Science Kid" activity, learners observe reversible change while thinking about ways to make ice melt. Learners freeze a piece of fruit in an ice cube and then explore...

    Ages 4 - 6
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    Science Friday
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    In this activity, learners investigate carbon sequestration by creating a carbonated beverage out of apple juice and dry ice. This experiment illustrates how carbon dioxide can be stored in a...

    Ages 11 - 14
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    Utah Education Network
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    In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit. Learners practice using different...

    Ages 11 - 14
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    Science Friday
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    In this activity, learners use household materials to investigate and explore their ability to smell an odor. Learners compare and contrast results to determine if some individuals have a better...

    Ages 11 - 14
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    The Exploratorium
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    This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer....

    Ages 11 - 18
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    Oregon Museum of Science and Industry
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    In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk. Using food coloring and soap, they discover that milk is an emulsion, a special...

    Ages 4 - 18
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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    Ages 4 - 14

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