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    Lawrence Hall of Science
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    In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature....

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun. After creating the tracker with simple materials, learners measure the...

    $1 - $5 per student Ages 6 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it. In this activity, learners will see how the ground influences...

    Over $20 per group Ages 8 - adult 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos. Activity guide includes...

    $1 - $5 per group Ages 6 - adult 5 to 10 minutes
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    Lawrence Hall of Science
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    Plants need nutrients to grow. This is why we apply fertilizers to grass and food crops. In this activity, learners will explore how fertilizers can affect lakes and other bodies of water. Learners...

    $5 - $10 per group Ages 8 - adult 1 to 4 weeks
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    Lawrence Hall of Science
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    Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small. In this outdoor activity, learners will build their own net in order to collect and observe their...

    $10 - $20 per group Ages 8 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere. Both...

    $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 outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Lawrence Hall of Science
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    In this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects. Once built, learners will use their magnetometer to measure slight...

    $5 - $10 per student Ages 11 - adult 1 to 2 hours
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    Lawrence Hall of Science
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    How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake? In this outdoor activity, learners will make their own Secchi disk...

    $10 - $20 per group Ages 8 - adult 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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