Explore our Curriculum & Resources

STC Program: Soils Unit Kit, 3rd Edition

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

Soils– Using Alpha Boxes

Earth & Space Science

Tami's Tower Title Screen

Tami's Tower: Pensemos en la ingeniería

This is a free resource

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Grade 1

Grade 2

Kindergarten

Engineering Design

Dr. Drew, Density, & Diffusion Cover Image

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

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German

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Korean

Russian

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

STC Assessment Guide: Soils

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

Ecosystems– Notebooking Strategies

Earth & Space Science

STC Program: Balancing and Weighing Unit Kit, 3rd Edition

Life Cycles of Butterflies– Lesson 8: Observing the Crysalis - Moving the Crysalis Properly

STC Program: Sound Unit Kit, 3rd Edition

Floating and Sinking– Making a Sinker Float

Physical Science

Elementary Weather Lesson

This is a free resource

Earth & Space Science

Photo of a beam of light coming from a flashlight

How Can I Win a Game of Flashlight Tag?

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Physical Science

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

Earth & Space Science

STC Program: Electric Circuits Unit Kit, 2nd Edition

STC Assessment Guide: Balancing and Weighing

STC Assessment Guide: Food Chemistry

A lighthouse between two palm trees

How Would You Design a Lighthouse?

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Engineering Design

Explore Smithsonian: How do Orchids Attract Pollinators?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Microworlds– Unit Preparation

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

Rocks and Minerals– Organizing Minerals

Earth & Space Science

STC Program: Organisms Unit Kit, 2nd Edition

Soils– Materials Distribution: Roles and Responsibilities

Earth & Space Science

STC Assessment Guide: Changes

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

Aww Snap! a Snapdragon Study title screen

Aww Snap! a Snapdragon Study

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Grade 2

Grade 3

Grade 4

Grade 5

Grade 6

Life Science

A yellow cover of a grade 1 engineering teachers guide

How Can We Send a Message Using Sound?

This is a free resource

Engineering Design

STC Literacy Series™: Balancing and Weighing