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

Physical Science

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

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

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

Earth & Space Science

Exploring Properties of Matter– Surface Gravity

Physical Science

STC Literacy Series™: Sound

cover of the starting with sustainability lesson set energy and climate in Spanish

Conjunto de lecciones Cómo comenzar con la sostenibilidad: energía y clima

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Life Science

Sustainability

Explore Smithsonian: James Smithson - The Founder of the Smithsonian

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Grade 3

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Education

Rocks and Minerals– Organizing Minerals

Earth & Space Science

STC Program: Land and Water Unit Kit, 2nd Edition

Life Cycle of Butterflies– Literacy Integration: Fiction

Animal Studies– Materials and Organizations

Image of cover of "COVID-19! How Can I Protect Myself and Others?" The main image is an illustration of the coronavirus.

COVID-19! How Can I Protect Myself and Others?

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High School

Sustainability

COSIP.TV: ¡COVID-19! ¿Cómo puedo protegerme a mí mismo y a los demás?

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

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Grade 3

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Earth & Space Science

Explore Smithsonian: Dr. Avi Loeb - Jr. Professor of Science

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Grade 3

Grade 4

Grade 5

Grade 6

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Education

Land and Water– Literacy Extension

Earth & Space Science

Animal Studies– Materials Management

Organisms– Notebooking

Pick Your Plate! A Global Guide to Nutrition title screen

Pick Your Plate! A Global Guide to Nutrition

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Grade 4

Grade 5

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Grade 7

Grade 8

STC Secondary: Investigating Digestion and Motion

STC Program: Food Chemistry Student Investigations Guide, 3rd Edition

Physical Science

Floating and Sinking– Investigating Boat Designs

Physical Science

STC Program: Plant Growth and Development Unit Kit, 2nd Edition

Exploring Plate Tectonics– Recording Earthquake Waves

Earth & Space Science

microscopic image of a cell

STCMS™: Genes and Molecular Machines

Mini Golf Motion Title

Mini Golf Motion

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Physical Science

STCMS™: Electricity, Waves, and Information Transfer

Physical Science

Exploring Plate Tectonics– Convection in the Mantle

Earth & Space Science