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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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Ecosystems
Describe Ecosystems
Science
Fourth grade
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Thermal Energy
Predict Heat Flow And Temp...
Science
Seventh grade
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Atoms And Molecules
Classify Elementary Substa...
Science
Sixth grade
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Plants
What Do Plants Need To Sur...
Science
Kindergarten
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The Greenhouse Effect
The Greenhouse Effect
Science
Eighth grade
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Waves
Compare Amplitudes, Wavele...
Science
Sixth grade
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Anatomy And Physiology
Body Systems: Digestion
Science
Sixth grade
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Plants
How Do Plants Make Food?
Science
Fourth grade
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Units And Measurement
Choose Metric Units Of Dis...
Science
Sixth grade
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Kinetic And Potential Energy
Use Tables And Graphs To I...
Science
Eighth grade
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Classification
Identify Plants And Animal...
Science
Third grade
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Animals
Read Animal Life Cycle Dia...
Science
Third grade
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Earth Events
Classify Changes To Earth'...
Science
First grade
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Particle Motion And Energy
Identify How Particle Moti...
Science
Sixth grade
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Photosynthesis
How Do Plants Use And Chan...
Science
Sixth grade
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Chemistry
The Periodic Table
Science
High school
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