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Why is My Shadow Shorter Sometimes and Longer Other Times?

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Earth & Space Science
yellow cover of How Can We Provide Freshwater to Those in Need?
Curriculum

How Can We Provide Freshwater to Those in Need?

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Engineering Design
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STC Assessment Guide: Floating and Sinking

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STC Literacy Series™: Ecosystems

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Ecosystems– Lesson 7: Joining Terrarium and Aquarium

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Kindergarten
Earth & Space Science
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STC Literacy Series™: Rocks and Minerals

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

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Earth & Space Science
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Land and Water– Lesson 2/3 The Water Cycle: Modeling Land and Water

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Earth & Space Science
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Life Cycle of Butterflies– Lesson 3: Learning More About Caterpillars

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Kindergarten
Life Science
Curriculum

STC Program: Food Chemistry Unit Kit, 2nd Edition

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Curriculum

How Can We Use the Sky to Navigate?

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Earth & Space Science
Curriculum

STC Program: Floating and Sinking Unit Kit, 2nd Edition

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How Can We Identify Materials Based On Their Properties?
Curriculum

How Can We Identify Materials Based on Their Properties?

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Physical Science
Curriculum

STC Program: Experiments with Plants Unit Kit

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STC Literacy Series™: Sound

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Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

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Kindergarten
Life Science
Curriculum

STC Program: Plant Growth and Development Unit Kit, 3rd Edition

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STC Assessment Guide: Soils

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Resource

STC Assessment Guide: Microworlds

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Motion and Design– "The Explore Build" Extension Activity

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Kindergarten
Physical Science
Purple teachers guide cover of kindergarten earth and space science
Curriculum

How Can We Be Ready for Weather?

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Earth & Space Science
Curriculum

STC Program: Floating and Sinking Unit Kit, 3rd Edition

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Video

Sound– Lesson 2: How Sound Travels

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Physical Science
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STC Assessment Guide: Ecosystems

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Explore Smithsonian: How do Orchids Attract Pollinators?

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Life Science
Composite image of stars from the Chandra X-ray Telescope
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Explore Smithsonian: How Do Astronomers See the Invisible Parts of the Universe?

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