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The purple cover of grade 3 earth science teachers guide

How Do Weather and Climate Affect Our Lives?

Earth & Space Science

STC Assessment Guide: Floating and Sinking

STC Literacy Series™: Rocks and Minerals

Sound– Lesson 2: How Sound Travels

Physical Science

STC Assessment Guide: Food Chemistry

Ecosystems– Lesson 2: Setting up the Terrarium

Earth & Space Science

cover of the Ecosystem Resilience! How can people and ecosystems build resilience to change?

Habitats Grade 3 Engineering Trainer Guide

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Engineering Design

Explore Smithsonian: How can Scientists Track the Movement of an Invasive Species of Fish?

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Life Science

Sustainability

STC Program: Organisms Unit Kit, 2nd Edition

STC Assessment Guide: Soils

STC Program: Animal Studies Unit Kit, 3rd Edition

Animal Studies– Observing Millipedes More Closely

STC Assessment Guide: Land and Water

Floating and Sinking– Investigating Boat Designs

Physical Science

Yellow cover of grade 3 engineering teachers guide How Can We Protect Animals When Their Habitat Changes?

How Can We Protect Animals When Their Habitat Changes?

Engineering Design

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

Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science

Ecosystems– Notebooking Strategies

Earth & Space Science

COSIP.TV: ¡COVID-19! ¿Cómo puedo protegerme a mí mismo y a los demás?

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Cool to Carry

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STC Assessment Guide: Balancing and Weighing

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What's the Code? Coding Robot Movements Using Sound

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Grade 1

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Engineering Design

Life Cycle of Butterflies– Lesson 14: Discovering that Butterflies are Insects

STC Program: Electric Circuits Unit Kit, 3rd Edition

STC Program: The Life Cycle of Butterflies Unit Kit, 2nd Edition

Electric Circuits– Making a Filament

Physical Science

Motion and Design– Safety with Building Pieces

Physical Science

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

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Animal Studies– Materials Management

Sound– Lesson 1: Thinking about Sound

Physical Science