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STC Program: Soils Unit Kit, 3rd Edition

STC Program: Measuring Time Unit Kit

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

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

Physical Science

Rocks and Minerals– Creating Take Home Field Guides

Earth & Space Science

Dr. Drew, Density, & Diffusion Cover Image

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

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Land and Water– Literacy Extension

Earth & Space Science

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

The yellow cover of the grade 1 engineering teachers guide

How Can We Send a Message Using Sound?

Engineering Design

Explore Smithsonian: How do Scientists use Electricity to Study Fish Populations?

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Grade 3

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Life Science

Sustainability

Title screen for the interactive e-Book, Expedition: Insects

Expedition: Insects

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Organisms– Notebooking

Ecosystems– Material Consideration

Earth & Space Science

Mini Golf Motion Title

Mini Golf Motion

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Physical Science

STC Assessment Guide: Organisms

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

Microworlds– Unit Preparation

Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science

Aww Snap! a Snapdragon Study title screen

Aww Snap! a Snapdragon Study

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Grade 2

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Life Science

STC Literacy Series™: Soils

Sound — Lessons 1-4: Materials

Physical Science

STC Program: Balancing and Weighing Unit Kit, 3rd Edition

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: Balancing and Weighing

STC Literacy Series™: Weather

Floating and Sinking– How is Salt Water Different from Fresh Water?

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

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

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Grade 3

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Earth & Space Science

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?