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Floating and Sinking– Making a Sinker Float

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Physical Science
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Explore Smithsonian: How do Scientists Track and Monitor Blue Crab Populations in the Chesapeake Bay?

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Life Science
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Curriculum

STC Program: Microworlds Two-Use Unit Kit, 3rd Edition

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Vaccines Cover
Curriculum

Vaccines! How can we use science to help our community make decisions about vaccines?

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Sustainability
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Life Cycle of Butterflies– Lesson 2: Caring for Caterpillars

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Kindergarten
Life Science
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STC Literacy Series™: Comparing and Measuring

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Kindergarten
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Floating and Sinking– Investigating Boat Designs

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Kindergarten
Physical Science
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STC Assessment Guide: Motion and Design

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Animal Studies– Materials and Organizations

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

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Yuck! That Tastes Terrible Cover Image
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Yuck! That Tastes Terrible: Discovering a Unique Genetic Trait

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Video

Sound — Lessons 1-4: Materials

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Kindergarten
Physical Science
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Exploring Planetary Systems– Other Surface Features: Don't Hurry the Slurry

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Earth & Space Science
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Sound– Lesson 1: Thinking about Sound

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Physical Science
Curriculum

STC-Secondary™: Investigating Biodiversity and Interdependence

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Life Science
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Floating and Sinking– Weighing Floaters and Sinkers

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Kindergarten
Physical Science
Curriculum

STC Program: Electric Circuits Unit Kit, 2nd Edition

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Resource

STC Assessment Guide: Organisms

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Kindergarten
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Soils– Organizing the Distribution Center

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Earth & Space Science
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Motion and Design– Using Cooperation Cups

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Kindergarten
Physical Science
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STC Literacy Series™: Soils

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Kindergarten
Resource

STC Assessment Guide: Comparing and Measuring

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Cover of grade 2 physical science teacher's guide
Curriculum

How Can We Change Solids And Liquids?

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Grade 2
Physical Science
Curriculum

STC Program: Soils Unit Kit, 3rd Edition

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Kindergarten
Curriculum

STC Program: Weather Unit Kit, 3rd Edition

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Kindergarten
Video

Motion and Design– "The Explore Build" Extension Activity

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

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Earth & Space Science
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STC Literacy Series™: Solids and Liquids

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Kindergarten
Video

Life Cycle of Butterflies– Lesson 3: Learning More About Caterpillars

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Kindergarten
Life Science