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Diversity & Survival

Speciation and Extinction

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Advanced Astronomy

Stars (1): Types, Properties, & Composition

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Advanced Astronomy

Stars (2): Life Cycle & Constellations

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Electric Circuits

Static Electricity

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Plate Tectonics

Studies of the Ocean Floor

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Diversity & Survival

Survival Needs

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Rocks & Minerals Unit

Sustainability of Earth’s Resources

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Plate Tectonics

Tectonic Plates Bundle

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Electric Circuits

Tension, résistance et courant

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Advanced Astronomy

The Big Bang Theory

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Advanced Astronomy

The Celestial Sphere

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Plate Tectonics

The Continental Drift

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