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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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STC Literacy Series™: Weather

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Kindergarten
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STC Literacy Series™: Plant Growth and Development

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STC Literacy Series™: Motion and Design

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A lighthouse between two palm trees
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How Would You Design a Lighthouse?

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Kindergarten
Engineering Design
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STC Literacy Series™: Comparing and Measuring

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

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STC Assessment Guide: Floating and Sinking

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STC Assessment Guide: Electric Circuits

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Mission to the Moon Model Cover Image
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Mission to the Moon Model

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STC Literacy Series™: Sound

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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: Experiments with Plants

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STC Assessment Guide: Rocks and Minerals

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STC Assessment Guide: Weather

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Kindergarten
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STC Literacy Series™: Animal Studies

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STC Assessment Guide: Soils

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STC Literacy Series™: Land and Water

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STC Literacy Series™: Soils

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STC Assessment Guide: Microworlds

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Dr. Drew, Density, & Diffusion Cover Image
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Dr. Drew, Density, & Diffusion: Dr. Charles Richard Drew Giving Life Through Blood Research

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Engineering Circuits

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Grade 8
Light Up the Cave title screen
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Light Up the Cave

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Physical Science
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STC Assessment Guide: Motion and Design

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STC Assessment Guide: Ecosystems

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Sunlight on the National Mall title
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Sunlight on the National Mall

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Earth & Space Science
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STC Assessment Guide: Balancing and Weighing

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STC Assessment Guide: Organisms

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Kindergarten
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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Ouch! I Need a Band-Aid®: Designing, Constructing, and Packaging a Band-Aid

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Engineering Design