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Rock and Roll: Balancing River Rocks Cover Image
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Rock and Roll: Balancing River Rocks

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Which Force Is With You? A Motion and Design Lesson Cover Image
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Which Force Is With You? A Motion and Design Lesson

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STC Literacy Series™: Measuring Time, Pack of 8

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STC Assessment Guide: Land and Water

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STC Assessment Guide: Soils

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Cover for Build Your Own Stylus
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Build Your Own Touch Screen Stylus

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STC Literacy Series™: Experiments with Plants, Pack of 8

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STC Assessment Guide: Microworlds

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STC Assessment Guide: Balancing and Weighing

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STC Literacy Series™: Microworlds

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STC Literacy Series™: Motion and Design

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STC Assessment Guide: Experiments with Plants

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STC Assessment Guide: Sound

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STC Assessment Guide: Changes

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Shrinking Sutures
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Shrinking Sutures

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Swing Along with a Pendulum: Clocking a Second Cover Image
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Swing Along with a Pendulum: Clocking a Second

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Creature Feature: A Genes and Molecular Machines Lesson Cover Image
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Creature Feature: A Genes and Molecular Machines Lesson

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STC Assessment Guide: Ecosystems

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Where Does the Water Go? Calculating a Neighborhood Water Footprint

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Engineering Design
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STC Assessment Guide: Chemical Tests

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STC Assessment Guide: Magnets and Motors

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STC Assessment Guide: Plant Growth and Development

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STC Assessment Guide: Comparing and Measuring

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STC Living Materials Order Sheet, Microworlds

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Be Mosquito Smart: Know the Enemy Cover Image
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Be Mosquito Smart: Know the Enemy

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STC Literacy Series™: Ecosystems

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STC Assessment Guide: Rocks and Minerals

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Sugar Simulation screenshot
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Sugar Simulation

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Physical Science
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STC Literacy Series™: Plant Growth and Development

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STC Literacy Series™: Sound

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