Explore our Curriculum & Resources

A lighthouse between two palm trees

How Would You Design a Lighthouse?

This is a free resource

Engineering Design

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

Whale Protection Corps

This is a free resource

Spanish

Filed Under

Grade 2

Grade 3

Grade 4

Life Science

Sustainability

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

Physical Science

STC Program: Sound Unit Kit, 2nd Edition

The purple cover of grade 3 earth science teachers 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

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

Earth & Space Science

Rocks and Minerals– Lesson 8: Shining a Light on the Minerals

Earth & Space Science

Rocks and Minerals– Creating Take Home Field Guides

Earth & Space Science

STC Program: Animal Studies Unit Kit, 2nd Edition

STC Assessment Guide: Electric Circuits

STC Program: Food Chemistry Unit Kit, 2nd Edition

Explore Smithsonian: How do Orchids Attract Pollinators?

This is a free resource

Filed Under

Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

The Protecting Whales teacher guide cover with a collage of images showing a mother and baby humpback whale, a whale fluke in front of a military ship, a whale fluke, and a whale fluke in front of a cargo ship.

PROTECTING WHALES

This is a free resource

Filed Under

Grade 3

Life Science

Sustainability

Sound– Lesson 1: Thinking about Sound

Physical Science

STC Assessment Guide: Floating and Sinking

STC Program: Electric Circuits Unit Kit, 3rd Edition

STC Literacy Series™: Plant Growth and Development

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

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

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

Teacher Tips: Weather

This is a free resource

Earth & Space Science

Floating and Sinking– Weighing Floaters and Sinkers

Physical Science

The cover of Protecting Whales in Ukrainian

Захист китів

This is a free resource

Filed Under

Grade 3

Life Science

Sustainability

Mission to the Moon Model Cover Image

Mission to the Moon Model

This is a free resource

Filed Under

Grade 2

Grade 3

Grade 4

Grade 5

STC Literacy Series™: Land and Water

Title screen for the educational life science game, Morphy.

Morphy

This is a free resource

Filed Under

Grade 3

Grade 4

Grade 5

Life Science

STC Assessment Guide: Soils

Smithsonian Science for the Classroom Grade 3 Life Science Cover

What Explains Similarities and Differences Between Organisms?