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Floating and Sinking– Investigating Boat Designs

Physical Science

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

Earth & Space 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

the cover of Unbalanced Forces Grade 3 Physical Science Trainer Guide

Unbalanced Forces Grade 3 Physical Science Trainer Guide

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Physical Science

STC Assessment Guide: Land and Water

Organisms– Literacy Integration

Sound– Lesson 6: Vibrations We Can't See

Physical Science

Ecosystems– Material Consideration

Earth & Space Science

Animal Studies– Materials Management

Soils– Organizing the Distribution Center

Earth & Space Science

Which Force Is With You? A Motion and Design Lesson Cover Image

Which Force Is With You? A Motion and Design Lesson

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STC Literacy Series™: Land and Water

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

STC Literacy Series™: Ecosystems

Cover of Smithsonian Science for the Classroom with yellow background and 12 images in circles with tiger stripes, insect, fossil, and animal crossing sign.

How Can We Protect Animals When Their Habitat Changes?

Engineering Design

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

Cover of the Grade 3 Physical Science trainer guide

How Can We Predict Patterns of Motion? Grade 3 Physical Science Trainer Guide

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Physical Science

STC Program: Rocks and Minerals, 3rd Edition

The purple cover of grade 3 earth science teachers guide

How Do Weather and Climate Affect Our Lives?

Earth & Space Science

Life Cycle of Butterflies– Literacy Integration: Nonfiction 1 - Multiple Intelligence Retell

STC Program: Comparing and Measuring, 2nd Edition

STC Program: Weather Unit Kit, 2nd Edition

STC Program: Animal Studies Unit Kit, 3rd Edition

Image of cover of "COVID-19! How Can I Protect Myself and Others?" The main image is an illustration of the coronavirus.

COVID-19! How Can I Protect Myself and Others?

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Sustainability

Soils– Using Alpha Boxes

Earth & Space Science

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

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

Explore Smithsonian: What External Adaptations do Pandas Have for Their Unique Diet?

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Life Science

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Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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Earth & Space Science

STC Literacy Series™: Chemical Tests