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    NOAA
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    In this activity, learners explore the factors that tend to resist changes in pH of the ocean and why the ocean is becoming more acidic. This lesson guides inquiry into some properties of the ocean...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it. Leaners discover earth materials such as sand and dirt can be used...

    $1 - $5 per group Ages 11 - 18 30 to 45 minutes
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    National Health Museum
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    This activity provides an opportunity for learners to observe and examine how carbon dioxide, water, and light produce glucose/starch through a process called photosynthesis. This process is...

    $5 - $10 per group Ages 14 - 18 1 to 7 days
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    Lawrence Hall of Science
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    In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants. Then, they find out how the snow layer...

    Over $20 per group Ages 8 - 18 30 to 45 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek. Learners will examine...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures. Learners are challenged to keep their thermometer-lizard "alive...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes

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