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Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science
Cover of grade two engineering teachers guide
Curriculum

How Can We Stop Land From Washing Away?

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Engineering Design
Sustainability
Cover for Changing Habitats
eBook

Changing Habitats

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Grade 3
Engineering Design
Sustainability
Video

Sound– Lesson 8: Making a Model Eardrum

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Kindergarten
Physical Science
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Rocks and Minerals– Creating Take Home Field Guides

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

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Education
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STC Assessment Guide: Ecosystems

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Floating and Sinking– How is Salt Water Different from Fresh Water?

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Physical Science
Curriculum

STC Program: Comparing and Measuring, 2nd Edition

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A lighthouse between two palm trees
Resource

How Would You Design a Lighthouse?

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Engineering Design
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STC Assessment Guide: Magnets and Motors

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Curriculum

STC Program: Ecosystems Unit Kit, 3rd Edition

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How Can We Find the Best Place for a Plant to Grow? Teacher Guide
Curriculum

How Can We Find the Best Place for a Plant to Grow?

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Life Science
Sustainability
Curriculum

STC Program: Magnets and Motors Unit Kit

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Resource

STC Literacy Series™: Soils

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Kindergarten
Video

Bulldozing Technique for Science Class

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Ecosystems– Lesson 7: Joining Terrarium and Aquarium

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Earth & Space Science
Video

Soils– Using Alpha Boxes

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Earth & Space Science
The purple cover of grade 3 earth science teachers guide
Curriculum

How Do Weather and Climate Affect Our Lives?

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Grade 3
Earth & Space Science