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STC Program: Soils Unit Kit, 2nd Edition

What's the Code? activity cover

What's the Code? Coding Robot Movements Using Sound

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Engineering Design

Animal Studies–Science Vocabulary

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

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Elementary Weather Lesson

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Earth & Space Science

Soils– Materials Distribution: Roles and Responsibilities

Earth & Space Science

STC Literacy Series™: Rocks and Minerals

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

STC Assessment Guide: Magnets and Motors

STC Program: Chemical Tests Unit Kit, 2nd Edition

STC Program: Rocks and Minerals, 3rd Edition

STC Program: Land and Water Unit Kit, 3rd Edition

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

STC Assessment Guide: Comparing and Measuring

Life Cycle of Butterflies– Lesson 8: Observing the Crysalis

Land and Water– Lesson 2 The Water Cycle: Modeling Land and Water

Earth & Space Science

The cover of the 3rd grade earth and space science teacher's guide

How Do Weather And Climate Affect Our Lives?

Earth & Space Science

STC Literacy Series™: Plant Growth and Development

Cover of the How Can We Protect Animals When Their Habiatat Changes? Grade 3 Engineering Trainer Guide

How Can We Protect Animals When Their Habitat Changes? Grade 3 Engineering Trainer Guide

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Engineering Design

STC Assessment Guide: Changes

Land and Water– Lesson 2/3 The Water Cycle: Modeling Land and Water

Earth & Space Science

STC Program: Experiments with Plants Unit Kit

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

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Life Science

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

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STC Program: Comparing and Measuring, 2nd Edition

STC Program: Ecosystems Unit Kit, 2nd Edition

Plant Growth and Development–Getting a Handle on Your Bee

Land and Water– Literacy Extension

Earth & Space Science

STC Assessment Guide: Balancing and Weighing

Rocks and Minerals– Lesson 8: Shining a Light on the Minerals

Earth & Space Science