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STC Program: Balancing and Weighing Unit Kit, 2nd Edition

STC Assessment Guide: Soils

STC Literacy Series™: Plant Growth and Development

STC Program: Measuring Time Unit Kit

STC Program: Electric Circuits Unit Kit, 2nd Edition

Bulldozing Technique for Science Class

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Earth & Space Science

STC Program: Soils Unit Kit, 3rd Edition

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

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Grade 3

Grade 4

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Earth & Space Science

Ecosystems– Notebooking Strategies

Earth & Space Science

STC Literacy Series™: Electric Circuits

What's the Code? activity cover

What's the Code? Coding Robot Movements Using Sound

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Grade 1

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Engineering Design

STC Program: Comparing and Measuring Unit Kit, 3rd Edition

Plant Growth and Development– Planting the Seeds

STC Program: The Life Cycle of Butterflies Unit Kit, 2nd Edition

STC Assessment Guide: Electric Circuits

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

Motion and Design– Using Cooperation Cups

Physical Science

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

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Yellow cover of grade 3 engineering teachers guide How Can We Protect Animals When Their Habitat Changes?

How Can We Protect Animals When Their Habitat Changes?

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?

Cover of the Grade 3 Physical Science trainer guide

How Can We Predict Patterns of Motion? Grade 3 Physical Science Trainer Guide

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Physical Science

Motion and Design– Safety with Building Pieces

Physical Science

STC Program: Microworlds Two-Use Unit Kit, 3rd Edition

Life Cycle of Butterflies– Lesson 14: Discovering that Butterflies are Insects

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

Physical Science