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Life Cycles of Butterflies– Lesson 8: Observing the Crysalis - Moving the Crysalis Properly

The cover of the 3rd grade earth and space science teacher's guide

How Do Weather And Climate Affect Our Lives?

Earth & Space Science

Understanding Weather and Climate– Lesson 9: Ocean Currents- Using Thermometer Strips

Earth & Space Science

Rocks and Minerals– Incorporating Literacy

Earth & Space Science

STCMS™: Space Systems Exploration

Earth & Space Science

Microworlds– Unit Preparation

Teacher Tips: Weather

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Earth & Space Science

the yellow cover of grade 2 engineering teachers guide

How Can We Stop Soil From Washing Away?

Engineering Design

Be Mosquito Smart: Know the Enemy Cover Image

Be Mosquito Smart: Know the Enemy

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Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science

Sound– Notebooking

Physical Science

Soils– Organizing the Distribution Center

Earth & Space Science

Life Cycle of Butterflies– Literacy Integration: Fiction

Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Earth & Space Science

STC Assessment Guide: Soils

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

Explore Smithsonian: How do Orchids Attract Pollinators?

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Grade 3

Grade 4

Grade 5

Grade 6

Grade 7

Grade 8

Life Science

Floating and Sinking– Which Things Float? Which Things Sink?

Physical Science

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

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

STC Program: Food Chemistry Unit Kit, 2nd Edition

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

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

Earth & Space Science

the cover of Unbalanced Forces Grade 3 Physical Science Trainer Guide

Unbalanced Forces Grade 3 Physical Science Trainer Guide

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Physical Science

STC Program: Comparing and Measuring, 2nd Edition

cover photo of a fly in a venus flytrap

STCMS™: Structure and Function

Whale Protection Corps

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Spanish

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Grade 2

Grade 3

Grade 4

Life Science

Sustainability

STC Program: Experiments with Plants Unit Kit

STC Program: Animal Studies Unit Kit, 3rd Edition

STC Literacy Series™: Sound