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Ecosystems– Lesson 2: Setting up the Terrarium

Earth & Space Science

STC Assessment Guide: Chemical Tests

STC Assessment Guide: Rocks and Minerals

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COVID-19! How Can I Protect Myself and Others? NGSS-Aligned Teacher Companion Guide

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Sound — Lessons 1-4: Materials

Physical Science

Electric Circuits– Making a Filament

Physical Science

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Shrinking Sutures

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Grade 4

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STC Assessment Guide: Plant Growth and Development

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Aww Snap! a Snapdragon Study

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Grade 2

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Life Science

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

Physical Science

STC Assessment Guide: The Life Cycle of Butterflies

Plant Growth and Development–Getting a Handle on Your Bee

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

STC Program: Weather Unit Kit, 3rd Edition

STC–Kindergarten™: Exploring My Weather Two-Use Unit Kit

Floating and Sinking– Making a Sinker Float

Physical Science

Sound– Lesson 2: How Sound Travels

Physical Science

Animal Studies–Science Vocabulary

Microworlds– Unit Preparation

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Water Works

Engineering Design

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

STC Literacy Series™: Soils

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Storm Smart

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Kindergarten

Earth & Space Science

STC Program: Organisms Unit Kit, 3rd Edition

STC Program: Solids and Liquids Unit Kit, 2nd Edition

Soils– Reading Resource Extensions

Earth & Space Science

How Can We Identify Materials Based on Their Properties? Grade 5 Physical Science Trainer Guide

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Physical Science

Sound– Lesson 10: Changing the Pitch by Changing the Tension

Physical Science