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13 Cards in this Set
- Front
- Back
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Matter
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A substance that occupies space and has mass.
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Solid
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A phase of matter in which all particles are closely bound together; while they are not free to move, the particles vibrate constantly.
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Liquid
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A phase of matter in which particles are free to move, but are still loosely held to each other.
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Gas
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A phase of matter in which the particles are free to move and the fill all the space in the container.
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Evaporating
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The process whereby the particles in a liquid gain energy and become a gas.
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Condensing
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The process whereby the particles in a gas lose energy and become a liquid.
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Solidifying
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The process whereby the particles in a liquid lose energy and become a solid.
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Melting
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The process whereby the particles in a solid gain energy and become a liquid.
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Sublimation
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The phase change where a solid becomes a gas.
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Conduction
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The process of particles passing on vibrating energy.
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Convection
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The movement of hotter and less dense gases or liquids vertically to displace cooler and denser gases or liquids.
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Diffusion
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The random movement of particles in a fluid that results in them spreading out until they fill their container.
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