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A lighthouse between two palm trees

How Would You Design a Lighthouse?

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Engineering Design

Life Cycle of Butterflies– Literacy Integration: Nonfiction 1 - Multiple Intelligence Retell

Rocks and Minerals– Lesson 3: Learning More about Rocks

Earth & Space Science

STC Assessment Guide: Motion and Design

Explore Smithsonian: How do Orchids Attract Pollinators?

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Life Science

Explore Smithsonian: What can we Learn from Lion Poop?

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Life Science

STC Assessment Guide: Changes

STC Assessment Guide: Floating and Sinking

Dr. Drew, Density, & Diffusion Cover Image

Dr. Drew, Density, & Diffusion: Dr. Charles Richard Drew Giving Life Through Blood Research

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Photo of a beam of light coming from a flashlight

How Can I Win a Game of Flashlight Tag?

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Physical Science

STC Program: Chemical Tests Unit Kit, 2nd Edition

Motion and Design– Using Cooperation Cups

Physical Science

Soils– Organizing the Distribution Center

Earth & Space Science

Life Cycle of Butterflies– Lesson 8: Observing the Crysalis

Cover of Smithsonian Science for the Classroom with yellow background and 12 images in circles with tiger stripes, insect, fossil, and animal crossing sign.

How Can We Protect Animals When Their Habitat Changes?

Engineering Design

STC Literacy Series™: Ecosystems

STC Assessment Guide: Ecosystems

STC Program: Land and Water Unit Kit, 3rd Edition

Sound– Lesson 1: Thinking about Sound

Physical Science

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Aww Snap! a Snapdragon Study

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Life Science

Elementary Weather Lesson

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Earth & Space Science

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

Physical Science

STC Program: Soils Unit Kit, 2nd Edition

STC Assessment Guide: Magnets and Motors

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 Assessment Guide: Comparing and Measuring

Sound– Lesson 2: How Sound Travels

Physical Science

Motion and Design– Safety with Building Pieces

Physical Science

Floating and Sinking– Making a Sinker Float

Physical Science

Explore Smithsonian: How can Scientists Track the Movement of an Invasive Species of Fish?

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Life Science

Sustainability