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

Physical Science

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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Grade 8

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

Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science

Rocks and Minerals– Lesson 2: Observing Rocks- How are They the Same and Different?

Earth & Space Science

Exploring Properties of Matter– Surface Gravity

Physical Science

STC Program: Weather Unit Kit, 2nd Edition

Cover of COVID-19! How Can I Protect Myself and Others? NGSS-Aligned Teacher Companion Guide

COVID-19! How Can I Protect Myself and Others? NGSS-Aligned Teacher Companion Guide

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Investigating Biodiversity and Interdependence– Investigating Fungi

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

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

Earth & Space Science

Composite image of stars from the Chandra X-ray Telescope

Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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Earth & Space Science

STC Program: Motion and Design Unit Kit, 2nd Edition

Spirit of St. Louis

STCMS™: Energy, Forces, and Motion

Physical Science

Creature Feature: A Genes and Molecular Machines Lesson Cover Image

Creature Feature: A Genes and Molecular Machines Lesson

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Grade 6

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Explore Smithsonian: Courtney Dressing - Smithsonian Center for Astrophysics Graduate Student

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Education

STC Assessment Guide: Sound

Bulldozing Technique for Science Class

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Earth & Space Science

Cover of the How Can We Protect Animals When Their Habiatat Changes? Grade 3 Engineering Trainer Guide

How Can We Protect Animals When Their Habitat Changes? Grade 3 Engineering Trainer Guide

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Engineering Design

Rocks and Minerals– Organizing Minerals

Earth & Space Science

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

STC Program: Plant Growth and Development Unit Kit, 3rd Edition

STC Program: Experiments with Plants Unit Kit

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

How Do Weather And Climate Affect Our Lives?

Earth & Space Science

Floating and Sinking– Making a Sinker Float

Physical Science

Animal Studies– Observing Millipedes More Closely

Cover of Sustainable Communities guide in Spanish

¡Comunidades Sostenibles! ¿Cómo contribuiremos al progreso de nuestra comunidad?

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Grade 6

Grade 7

Grade 8

High School

Sustainability

STC-Secondary™: Researching Optical Systems

Physical Science

Cover of the Sustainability Lesson Set Good health and the environment

Starting with Sustainability Lesson Set: Good Health and the Environment

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Grade 6

Grade 7

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High School

Sustainability