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Explore Smithsonian: How Can We Know About the Reproductive Cycle of an Animal by Its Poop?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

STC Assessment Guide: Soils

Land and Water– Lesson 2/3 The Water Cycle: Modeling Land and Water

Earth & Space Science

STC Program: Sound Unit Kit, 3rd Edition

STC Literacy Series™: The Life Cycle of Butterflies

STC Assessment Guide: Solids and Liquids

Teacher Tips: Weather

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Earth & Space Science

STC Literacy Series™: Solids and Liquids

Cover fo the grade 2 physical science teacher's guide

How Can We Change Solids And Liquids?

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Physical Science

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

Explore Smithsonian: What Internal Adaptations do Pandas Have to Eat Bamboo?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Soils– Materials Distribution: Roles and Responsibilities

Earth & Space Science

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

Physical Science

Mission to the Moon Model Cover Image

Mission to the Moon Model

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Grade 2

Grade 3

Grade 4

Grade 5

Floating and Sinking– Making a Sinker Float

Physical Science

Cover for Changing Earth

Changing Earth

Engineering Design

Menu screen of aquation with 5 icons of water bottle, bucket, hose, canteen and watering can

Aquation: The Freshwater Access Game

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Grade 5

Sustainability

STC Program: Solids and Liquids Unit Kit, 2nd Edition

STC Program: Motion and Design Unit Kit, 3rd Edition

STC Program: Chemical Tests Unit Kit, 3rd Edition

Shrinking Sutures activity cover

Shrinking Sutures

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Grade 4

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STC Program: Chemical Tests Unit Kit, 2nd Edition

Floating and Sinking– Weighing Floaters and Sinkers

Physical Science

Animal Studies– Observing Millipedes More Closely

STC Program: Balancing and Weighing Unit Kit, 3rd Edition

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

Sound– Notebooking

Physical Science

STC Literacy Series™: Ecosystems

Motion and Design– Safety with Building Pieces

Physical Science