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Floating and Sinking– What Do We Know About Floating and Sinking?

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STC Program: Plant Growth and Development Unit Kit, 3rd Edition

Explore Smithsonian: How do Scientists Track and Monitor Blue Crab Populations in the Chesapeake Bay?

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STC Assessment Guide: Sound

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

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STC Program: Electric Circuits Unit Kit, 3rd Edition

STC Program: Comparing and Measuring Unit Kit, 3rd Edition

Life Cycle of Butterflies– Lesson 1: Getting Ready for Caterpillars

Teacher Tips: Weather

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Earth & Space Science

Life Cycle of Butterflies– Literacy Integration: Nonfiction 2 - Multiple Intelligence Retell

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Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

STC Assessment Guide: Weather

STC Assessment Guide: Microworlds

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Storm Smart

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Bulldozing Technique for Science Class

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STC Program: Animal Studies Unit Kit, 2nd Edition

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How Does Motion Energy Change in a Collision?

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Cool to Carry

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STC Literacy Series™: Microworlds

Motion and Design– Lesson 1: Designing Vehicles: Getting Started

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Be Mosquito Smart: Know the Enemy

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STC Assessment Guide: Changes

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How Can We Be Ready for Weather?

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STC Assessment Guide: Plant Growth and Development

STC Program: Organisms Unit Kit, 3rd Edition

Sound– Lesson 1: Thinking about Sound

Physical Science

STC Assessment Guide: Solids and Liquids