Free and open educational resources for Afghanistan

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The Astro-Not-Yets Explore Sound

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The Astro-Not-Yets Explore Energy

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Solving Problems in Physics

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Fluid Mechanics

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Forces

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Timing is Everything

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Microphones

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Boundless Physics

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Make a Sundial

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Heat Transfer

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How Do We Make Electricity from Flowing Water?

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Simple Machines

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Rainbows

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Refraction and the Reappearing Coin

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Optics

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Behavior of Gases

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Quantum numbers

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Quantum numbers, orbitals, and probability patterns

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Light and the Atomic Spectra

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Bohr's Atomic Model

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Rutherford's Atomic Model

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Dalton's Atomic Theory

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Introduction to Matter

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Physical and Chemical Properties of Matter

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Circuits

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Black Holes

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Ohm's Law

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Albert Einstein

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Wave Physics

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Properties of Waves