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STC Assessment Guide: Comparing and Measuring

STC Program: Soils Unit Kit, 3rd Edition

Sound– Lesson 8: Making a Model Eardrum

Physical Science

Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

Mission to the Moon Model Cover Image

Mission to the Moon Model

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A desert habitat in Habitats

Habitats

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Grade 3

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Life Science

Mini Golf Motion Title

Mini Golf Motion

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Physical Science

STC Literacy Series™: Soils

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

STC Secondary: Exploring Plate Tectonics

Earth & Space Science

Sound– Lesson 10: Changing the Pitch by Changing the Tension

Physical Science

Rocks and Minerals– Organizing Minerals

Earth & Space Science

STC Program: Food Chemistry Unit Kit, 3rd Edition

Explore Smithsonian: Courtney Dressing - Smithsonian Center for Astrophysics Graduate Student

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Education

Microworlds– Unit Preparation

STC Assessment Guide: Balancing and Weighing

Ecosystems– Lesson 2: Setting up the Terrarium

Earth & Space Science

Ecosystems– Notebooking Strategies

Earth & Space Science

A lighthouse between two palm trees

How Would You Design a Lighthouse?

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Engineering Design

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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Sustainability

STC Literacy Series™: Food Chemistry

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

Earth & Space Science

Sound– Lesson 2: How Sound Travels

Physical Science