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cover of the Ecosystem Resilience! How can people and ecosystems build resilience to change?

Habitats Grade 3 Engineering Trainer Guide

This is a free resource

Engineering Design

Sound– Lesson 2: How Sound Travels

Physical Science

STC Program: Land and Water Unit Kit, 3rd Edition

Motion and Design– "The Explore Build" Extension Activity

Physical Science

Soils– Reading Resource Extensions

Earth & Space Science

Floating and Sinking– Investigating Boat Designs

Physical Science

Animal Studies– Materials Management

Bulldozing Technique for Science Class

This is a free resource

Earth & Space Science

Soils– Using Alpha Boxes

Earth & Space Science

A lighthouse between two palm trees

How Would You Design a Lighthouse?

This is a free resource

Engineering Design

Front cover of the What Explains Similarities and Differences Between Organisms? teachers guide with flowers plants and bugs

What Explains Similarities and Differences Between Organisms?

STC Program: Measuring Time Unit Kit

Title screen for the interactive e-Book, Expedition: Insects

Expedition: Insects

This is a free resource

Explore Smithsonian: James Smithson - The Founder of the Smithsonian

This is a free resource

Filed Under

Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Education

STC Literacy Series™: Microworlds

Dr. Drew, Density, & Diffusion Cover Image

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

This is a free resource

French

German

Italian

Korean

Russian

Spanish

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Animal Studies– Materials and Organizations

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

Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?

This is a free resource

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Earth & Space Science

STC Assessment Guide: Animal Studies

STC Literacy Series™: Organisms

Ecosystems– Material Consideration

Earth & Space 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 6: Vibrations We Can't See

Physical Science

Motion and Design– Lesson 1: Designing Vehicles: Getting Started

Physical Science

Animal Studies–Science Vocabulary

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

Earth & Space Science