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

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Grade 1
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Kindergarten
Physical Science
Resource

STC Literacy Series™: Land and Water

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Grade 3
Grade 4
Grade 5
cover of the Ecosystem Resilience! How can people and ecosystems build resilience to change?
Resource

Habitats Grade 3 Engineering Trainer Guide

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Grade 3
Engineering Design
Resource

STC Assessment Guide: The Life Cycle of Butterflies

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Grade 1
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Video

Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?

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Grade 3
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Earth & Space Science
Resource

STC Assessment Guide: Floating and Sinking

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Grade 3
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Grade 5
Cover of Smithsonian Science for the Classroom with yellow background and 12 images in circles with tiger stripes, insect, fossil, and animal crossing sign.
Curriculum

How Can We Protect Animals When Their Habitat Changes?

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Grade 3
Engineering Design
Curriculum

STC Program: The Life Cycle of Butterflies Unit Kit, 2nd Edition

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Grade 3
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Resource

STC Literacy Series™: Food Chemistry

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Composite image of stars from the Chandra X-ray Telescope
Video

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

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Earth & Space Science
Video

Soils– Using Alpha Boxes

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Grade 1
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Kindergarten
Earth & Space Science
Resource

STC Literacy Series™: Animal Studies

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Grade 3
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Resource

STC Assessment Guide: Experiments with Plants

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Grade 3
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cover of the How Can We Provide Energy to People's Homes? Grade 4 Engineering Trainer Guide
Resource

How Can We Provide Energy to People's Homes? Grade 4 Engineering Trainer Guide

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Grade 4
Engineering Design
Video

Soils– Materials Distribution: Roles and Responsibilities

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Grade 1
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Kindergarten
Earth & Space Science
Mini Golf Motion Title
Game

Mini Golf Motion

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Grade 1
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Kindergarten
Physical Science
Resource

STC Literacy Series™: Microworlds

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Grade 3
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Video

Explore Smithsonian: How do Orchids Attract Pollinators?

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Grade 3
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Grade 8
Life Science
Resource

STC Program: Sound Unit Kit, 3rd Edition

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Grade 2
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Video

Organisms– Notebooking

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Grade 1
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Kindergarten
Life Science
Video

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

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Grade 1
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Kindergarten
Physical Science
Resource

STC Assessment Guide: Chemical Tests

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Grade 3
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Resource

STC Assessment Guide: Sound

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Grade 3
Grade 4
Grade 5