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Explore Library
Create a Lessn
Select Grade
Pre-K
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
Eighth Grade
High school
Select Subject
Arts and humanities
Economics
Language arts
Life skills
Math
Science
Social Studies
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Electricity And Magnets
Compare Strengths Of Magne...
Science
Fourth grade
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Earth'S Features
Water On Earth
Science
Second grade
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Engineering Practices
Identify The Best Design S...
Science
Fifth grade
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Cells
Identify Functions Of Anim...
Science
Eighth grade
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Chemical Reactions
Compare Physical And Chemi...
Science
Eighth grade
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Cells
Identify Functions Of Plan...
Science
Fifth grade
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Astronomy
Earth's Rotation And Orbit
Science
Fifth grade
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Units And Measurement
Choose Metric Units Of Dis...
Science
Fifth grade
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Particle Motion And Energy
How Does Particle Motion A...
Science
Seventh grade
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Shapes And Colors
Sort Objects By Color
Science
First grade
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Changes Of State
Heating, Cooling, And Chan...
Science
First grade
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Ecological Interactions
Interpret Food Webs I
Science
Seventh grade
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Density
How Are Substances Represe...
Science
Seventh grade
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Fossils
Identify And Classify Foss...
Science
Fourth grade
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Weather And Climate
What'S The Difference Betw...
Science
Fourth grade
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