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

Physical Science

STC Literacy Series™: Sound

Sound — Lessons 1-4: Materials

Physical Science

Elementary Weather Lesson

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Earth & Space Science

STC Assessment Guide: Sound

Rocks and Minerals– Incorporating Literacy

Earth & Space Science

Soils– Materials Distribution: Roles and Responsibilities

Earth & Space Science

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

Earth & Space Science

Sound– Notebooking

Physical Science

Motion and Design– "The Explore Build" Extension Activity

Physical Science

STC Assessment Guide: Chemical Tests

Floating and Sinking– How is Salt Water Different from Fresh Water?

Physical Science

STC Program: Comparing and Measuring, 2nd Edition

STC Assessment Guide: Land and Water

Sound– Lesson 6: Vibrations We Can't See

Physical Science

Sound– Lesson 2: How Sound Travels

Physical Science

Where Does the Water Go? Cover Image

Where Does the Water Go? Calculating a Neighborhood Water Footprint

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French

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Grade 4

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Engineering Design

Sustainability

STC Program: Weather Unit Kit, 2nd Edition

Animal Studies– Materials Management

Aww Snap! a Snapdragon Study title screen

Aww Snap! a Snapdragon Study

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Grade 2

Grade 3

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Life 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

Animal Studies– Materials and Organizations

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

STC Literacy Series™: Electric Circuits

STC Assessment Guide: Rocks and Minerals

Cover of the Grade 5 Earth science teacher guide cover

How Can We Use the Sky to Navigate?

Earth & Space 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

Sunlight on the National Mall title

Sunlight on the National Mall

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Grade 1

Earth & Space Science

Sound– Lesson 8: Making a Model Eardrum

Physical Science