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STC Program: Floating and Sinking Unit Kit, 2nd Edition

STC Assessment Guide: Experiments with Plants

STC Literacy Series™: Land and Water

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

How Do Weather And Climate Affect Our Lives?

Earth & Space Science

Microworlds– Unit Preparation

STC Program: Electric Circuits Unit Kit, 2nd Edition

Smithsonian Science for the Classroom Grade 3 Life Science Cover

What Explains Similarities and Differences Between Organisms?

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

Explore Smithsonian: What Internal Adaptations do Pandas Have to Eat Bamboo?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

STC Literacy Series™: Comparing and Measuring

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

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

Habitats Grade 3 Engineering Trainer Guide

This is a free resource

Engineering Design

the blue cover of grade 3 physical science teachers guide

How Can We Predict Patterns of Motion?

Physical Science

STC Assessment Guide: Balancing and Weighing

STC Literacy Series™: Electric Circuits

Sound– Lesson 1: Thinking about Sound

Physical Science

STC–Kindergarten™: Exploring Forces and Motion Two-Use Unit Kit

Explore Smithsonian: James Smithson - The Founder of the Smithsonian

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Education

Styling Sun Safety activity cover

Styling Sun Safety

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French

German

Italian

Korean

Russian

Spanish

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Grade 1

Kindergarten

The Protecting Whales teacher guide cover with a collage of images showing a mother and baby humpback whale, a whale fluke in front of a military ship, a whale fluke, and a whale fluke in front of a cargo ship.

PROTECTING WHALES

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Grade 3

Life Science

Sustainability

STC Program: Microworlds Two-Use Unit Kit, 3rd Edition

Life Cycle of Butterflies– Lesson 3: Learning More About Caterpillars

Animal Studies–Science Vocabulary

STC Assessment Guide: Land and Water

STC Program: Animal Studies Unit Kit, 2nd Edition

STC Program: Food Chemistry Unit Kit, 2nd Edition