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STC Assessment Guide: Magnets and Motors

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

STC Literacy Series™: The Life Cycle of Butterflies

Rocks and Minerals– Organizing Minerals

Earth & Space Science

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

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

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Grade 3

Grade 4

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Life Science

Sustainability

Dr. Drew, Density, & Diffusion Cover Image

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

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Grade 3

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STC Program: Land and Water Unit Kit, 2nd Edition

STC Assessment Guide: Balancing and Weighing

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

Physical Science

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

STC Program: Motion and Design Unit Kit, 2nd Edition

STC Assessment Guide: Changes

STC Assessment Guide: Ecosystems

Animal Studies– Materials Management

Electric Circuits– Making a Filament

Physical Science

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

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Grade 3

Grade 4

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Education

STC Program: Changes Unit Kit, 2nd Edition

Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science

Life Cycles of Butterflies– Lesson 8: Observing the Crysalis - Moving the Crysalis Properly

Title screen for the educational kindergarten game, Shutterbugs: Wiggle and Stomp

Shutterbugs: Wiggle and Stomp

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Grade 1

Kindergarten

Physical Science

STC Program: Measuring Time Unit Kit

Motion and Design– Using Cooperation Cups

Physical Science

Mini Golf Motion Title

Mini Golf Motion

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Physical Science

STC Literacy Series™: Organisms

Front cover of the What Explains Similarities and Differences Between Organisms? teachers guide with flowers plants and bugs

What Explains Similarities and Differences Between Organisms?

Sound– Lesson 8: Making a Model Eardrum

Physical Science

STC Assessment Guide: Sound