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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density...

    $5 - $10 per group Ages 11 - 14 30 to 45 minutes
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    IEEE
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    In this activity, learners explore how pens have been engineered and re-engineered over time. Learners work as a team to develop a working pen out of everyday items. They sketch their plans,...

    $10 - $20 per group Ages 8 - 18 1 to 2 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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    American Chemical Society
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    Learners add drops of four liquids (water, alcohol, salt water, and detergent solution) to different surfaces and observe the liquids' behavior. Learners will see that liquids have...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    Institute of Physics
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    This is a highly visual demonstration that illustrates both the effects of density and chemical reactions. Like a density column, volcano eruption, and Alka-seltzer reaction all in one, learners...

    $1 - $5 per group Ages 4 - adult 5 to 10 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together. Learners can photograph or film the fluid motion for...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Children's Museum Of Houston
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    In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids. This activity page features a fun how...

    $10 - $20 per group Ages 6 - 18 30 to 45 minutes
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    American Chemical Society
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    Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave. Learners realize that using a...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    App Store Independent Developer
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    This application allows the learner to experiment with fluid dynamics outside of the lab. Designed for the iPad, iPhone, or iPod Touch, the app creates a small universe in which the user can define...

    Ages 8 - adult
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    New Jersey Department of Education
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    This activity has learners observe water and compare it to other liquids. They stir and scoop the liquids, drip them onto various materials, drop various objects into the liquids, and record what...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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