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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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Soils– Organizing the Distribution Center

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Kindergarten
Earth & Space Science
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Floating and Sinking– What Do We Know About Floating and Sinking?

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Physical Science
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Teacher Tips: Weather

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STC Assessment Guide: Sound

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Sound– Lesson 2: How Sound Travels

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Kindergarten
Physical Science
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Rocks and Minerals– Lesson 3: Learning More about Rocks

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Floating and Sinking– Which Things Float? Which Things Sink?

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Physical Science
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STC Literacy Series™: Rocks and Minerals

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STC Assessment Guide: Motion and Design

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Soils– Lesson 6: How Quickly Do Soils Settle in Water?

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Understanding Weather and Climate– Lesson 6: Temperature, Pressure, and Cloud Formation

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Earth & Space Science
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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 Literacy Series™: Food Chemistry

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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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Explore Smithsonian: Courtney Dressing - Smithsonian Center for Astrophysics Graduate Student

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Education
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Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?

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STC Assessment Guide: Balancing and Weighing

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STC Assessment Guide: Chemical Tests

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

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Penguin Protection title screen
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Penguin Protection

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Life Science
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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STC Assessment Guide: Comparing and Measuring

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Microworlds– Unit Preparation

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Kindergarten
Life Science
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Organisms– Notebooking

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Life Science
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Sound– Lesson 1: Thinking about Sound

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Physical Science
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Animal Studies– Materials and Organizations

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STC Literacy Series™: Animal Studies

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STC Assessment Guide: Ecosystems

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