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STC Assessment Guide: Electric Circuits

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

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

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Earth & Space Science

Land and Water– Literacy Integration (Sharing Predictions)

Earth & Space Science

Teacher Tips: Weather

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Earth & Space Science

Rocks and Minerals– Incorporating Literacy

Earth & Space Science

Explore Smithsonian: What External Adaptations do Pandas Have for Their Unique Diet?

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Grade 3

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Life Science

Life Cycle of Butterflies– Lesson 8: Observing the Crysalis

Plant Growth and Development–Getting a Handle on Your Bee

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?

the blue cover of grade 3 physical science teachers guide

How Can We Predict Patterns of Motion?

Physical Science

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

STC Assessment Guide: Soils

The cover of Protecting Whales in Ukrainian

Захист китів

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Grade 3

Life Science

Sustainability

A lighthouse between two palm trees

How Would You Design a Lighthouse?

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Engineering Design

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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What's the Code? activity cover

What's the Code? Coding Robot Movements Using Sound

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Engineering Design

STC Assessment Guide: The Life Cycle of Butterflies

Explore Smithsonian: Dr. Avi Loeb - Jr. Professor of Science

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Education

Soils– Using Alpha Boxes

Earth & Space Science

STC Assessment Guide: Chemical Tests

Animal Studies– Observing Millipedes More Closely

Sound– Lesson 2: How Sound Travels

Physical Science

COSIP.TV: ¡COVID-19! ¿Cómo puedo protegerme a mí mismo y a los demás?

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Sound — Lessons 1-4: Materials

Physical Science

STC Program: Food Chemistry Unit Kit, 3rd Edition

STC Program: Ecosystems Unit Kit, 3rd Edition

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

Earth & Space Science

STC Assessment Guide: Rocks and Minerals

STC Program: The Technology of Paper Unit Kit