Explore our Curriculum & Resources

Cover fo the grade 2 physical science teacher's guide

How Can We Change Solids And Liquids?

This is a free resource

Physical Science

Life Cycle of Butterflies– Lesson 8: Observing the Crysalis

How Can We Find the Best Place for a Plant to Grow? Teacher Guide

How Can We Find the Best Place for a Plant to Grow?

Life Cycle of Butterflies– Literacy Integration: Nonfiction 1 - Multiple Intelligence Retell

Sound– Lesson 8: Making a Model Eardrum

Physical Science

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

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Sustainability

Cover of Smithsonian Science for the Classroom teacher guide with a blue background and 12 images in circles with bicyclists, magnets, and a tire swing

How Can We Use Patterns To Predict Motion?

Physical Science

Motion and Design– "The Explore Build" Extension Activity

Physical Science

Title screen for the education life science game, Showbiz Safari

Showbiz Safari

This is a free resource

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Grade 1

Grade 2

Grade 3

Life Science

Sustainability

Sound– Lesson 9: Making Sounds with Strings

Physical Science

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

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

Earth & Space Science

STC Assessment Guide: Sound

STC Literacy Series™: Solids and Liquids

Life Cycle of Butterflies– Lesson 1: Getting Ready for Caterpillars

Floating and Sinking– How is Salt Water Different from Fresh Water?

Physical Science

STC Program: Soils Unit Kit, 2nd Edition

A lighthouse between two palm trees

How Would You Design a Lighthouse?

This is a free resource

Engineering Design

STC Literacy Series™: Animal Studies

Mission to the Moon Model Cover Image

Mission to the Moon Model

This is a free resource

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Grade 2

Grade 3

Grade 4

Grade 5

Home on the Range title screen

Home on the Range

This is a free resource

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Grade 2

Life Science

Sustainability

cover of the Grade 2 life science teacher's guide

How Can We Find the Best Place for a Plant to Grow?

Bulldozing Technique for Science Class

This is a free resource

Earth & Space Science

STC Assessment Guide: Soils

STC Assessment Guide: The Life Cycle of Butterflies

Floating and Sinking– What Do We Know About Floating and Sinking?

Physical Science