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STC–Kindergarten™: Exploring Plants and Animals Two-Use Unit Kit

Life Cycle of Butterflies– Lesson 1: Getting Ready for Caterpillars

STC Program: Chemical Tests Unit Kit, 2nd Edition

STC Literacy Series™: Changes

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

Explore Smithsonian: How Does a Curator of Great Cats Monitor the Health of Individual Lions in a Pride?

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Grade 4

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Life Science

Sustainability

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

Earth & Space Science

STC Assessment Guide: Ecosystems

STC Assessment Guide: Floating and Sinking

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

STC Program: Electric Circuits Unit Kit, 3rd Edition

Composite image of stars from the Chandra X-ray Telescope

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

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Earth & Space Science

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

Earth & Space Science

Land and Water– Literacy Extension

Earth & Space Science

STC Living Materials Order Sheet, Microworlds

Ecosystems– Material Consideration

Earth & Space Science

STC Literacy Series™: Organisms

STC Program: Ecosystems Unit Kit, 2nd Edition

Which Force Is With You? A Motion and Design Lesson Cover Image

Which Force Is With You? A Motion and Design Lesson

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Floating and Sinking– Investigating Boat Designs

Physical Science

Ouch I Need A Bandage activity cover

Ouch! I Need a Bandage: Designing, Constructing, and Packaging a Bandage

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Grade 1

Grade 2

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Engineering Design

The cover of Protecting Whales in Ukrainian

Захист китів

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Grade 3

Life Science

Sustainability

Plant Growth and Development–Getting a Handle on Your Bee

Cover of COVID-19! How Can I Protect Myself and Others? NGSS-Aligned Teacher Companion Guide

COVID-19! How Can I Protect Myself and Others? NGSS-Aligned Teacher Companion Guide

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Animal Studies– Materials Management

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

Rocks and Minerals– Creating Take Home Field Guides

Earth & Space Science

STC Literacy Series™: Animal Studies

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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Grade 3

Grade 4

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Grade 6

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High School

Sustainability

STC Program: Rocks and Minerals, 3rd Edition