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

Physical Science

STC Literacy Series™: The Life Cycle of Butterflies

Life Cycle of Butterflies– Literacy Integration: Fiction

STC Assessment Guide: Experiments with Plants

Styling Sun Safety activity cover

Styling Sun Safety

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French

German

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Grade 1

Kindergarten

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

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

Soils– Reading Resource Extensions

Earth & Space Science

Ecosystems– Material Consideration

Earth & Space Science

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How Can We Send a Message Using Sound?

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Engineering Design

Ecosystems– Lesson 7: Joining Terrarium and Aquarium

Earth & Space Science

Bulldozing Technique for Science Class

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Earth & Space Science

Floating and Sinking– Weighing Floaters and Sinkers

Physical Science

Soils– Materials Distribution: Roles and Responsibilities

Earth & Space Science

STC Literacy Series™: Sound

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

Swing Along with a Pendulum: Clocking a Second Cover Image

Swing Along with a Pendulum: Clocking a Second

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French

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Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Explore Smithsonian: James Smithson - The Founder of the Smithsonian

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Education

cover of the Energy Grade 4 Engineering Trainer Guide

Energy Grade 4 Engineering Trainer Guide

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Engineering Design