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STC Assessment Guide: Electric Circuits

STC Assessment Guide: Soils

STC Program: Ecosystems Unit Kit, 3rd Edition

STC Literacy Series™: Plant Growth and Development

Cover of the Cool to Cary activity with three different designed cups.

Cool to Carry

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STC Assessment Guide: Chemical Tests

Life Cycle of Butterflies– Literacy Integration: Fiction

STC Literacy Series™: Motion and Design

STC Program: Organisms Unit Kit, 2nd Edition

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

Physical Science

STC Assessment Guide: Floating and Sinking

Cover of Smithsonian Science for the Classroom with yellow background and 12 images in circles with tiger stripes, insect, fossil, and animal crossing sign.

How Can We Protect Animals When Their Habitat Changes?

Engineering Design

Explore Smithsonian: How Can We Know About the Reproductive Cycle of an Animal by Its Poop?

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Life Science

Soils– Lesson 6: How Quickly Do Soils Settle in Water?

Earth & Space Science

Sound– Lesson 9: Making Sounds with Strings

Physical Science

STC Assessment Guide: Animal Studies

STC Program: Chemical Tests Unit Kit, 3rd Edition

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

STC Program: Sound Unit Kit, 2nd Edition

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

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Life Science

Sustainability

STC Program: Ecosystems Unit Kit, 2nd Edition

Ecosystems– Notebooking Strategies

Earth & Space Science

Animal Studies– Materials and Organizations

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

Dr. Drew, Density, & Diffusion Cover Image

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

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The cover of Protegiendo a les ballenas with 4 images of whales and ships

PROTEGIENDO A LES BALLENAS

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Grade 3

Life Science

Sustainability

STC Program: The Life Cycle of Butterflies Unit Kit, 3rd Edition

STC Program: Animal Studies Unit Kit, 3rd Edition

Mission to the Moon Model Cover Image

Mission to the Moon Model

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Grade 2

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Explore Smithsonian: James Smithson - The Founder of the Smithsonian

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Education