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STC Assessment Guide: Electric Circuits

STC Assessment Guide: The Life Cycle of Butterflies

STC Program: Soils Unit Kit, 2nd Edition

Mission to the Moon Model Cover Image

Mission to the Moon Model

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Grade 2

Grade 3

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Grade 5

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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Grade 3

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STC Program: Weather Unit Kit, 2nd Edition

Cover for Changing Habitats

Changing Habitats

Engineering Design

STC Assessment Guide: Animal Studies

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

STC Program: Chemical Tests Unit Kit, 2nd Edition

STC Program: Changes Unit Kit, 2nd Edition

STC Literacy Series™: Land and Water

STC Program: Land and Water Unit Kit, 2nd Edition

STC Program: The Life Cycle of Butterflies 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: Floating and Sinking Unit Kit, 2nd Edition

STC Program: Animal Studies Unit Kit, 2nd Edition

STC Program: Electric Circuits Unit Kit, 2nd 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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Grade 3

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Sustainability

STC Assessment Guide: Motion and Design

STC Assessment Guide: Chemical Tests

STC Program: Experiments with Plants Unit Kit

Smithsonian Science for the Classroom Grade 3 Life Science Cover

What Explains Similarities and Differences Between Organisms?

STC Assessment Guide: Changes

STC Literacy Series™: Motion and Design

STC Program: Rocks and Minerals Unit Kit, 2nd Edition

STC Program: Sound Unit Kit, 3rd Edition

STC Assessment Guide: Comparing and Measuring

STC Assessment Guide: Soils

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