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| a nonsolid state of matter in which the atoms or molecules are free to move past each other, as in a gas or liquic |
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| the upward force exerted on an object immersed in or floating on a fluid |
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| the kinetic energy of a substance's atoms |
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| the change of a substance from a liquid to a gas |
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| the amount of force exerted per unit area of a surface |
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| the change of a substance from a gas to a liquid |
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| the resistance of a gas or liquid to flow |
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| the process in which a solid changes directly into a gas |
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| a state of matter that starts as a gas and then becomes ionized |
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| According to the __theory, all matter is made of particles that are in constant ___. |
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| solid, liquid, gas, plasma |
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| The four states of matter are __,__,__, and __. |
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| The state of matter that changes shape but not volume. |
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| The total kinetic energy of the particles of an object is ___ ___. |
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| ___ is a measure of the average kinetic energy. |
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| Condensation is a(n) __ change because it involves a release of energy. |
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| The tendency of a less dense substance to float in a denser liquid is due to __ __. |
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| ___ ___states that the buoyant force on an object immersed in a fluid equals the weight of the fluid of that the object displaces. |
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| True or False. Gases are generally noncompressible. |
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| True or False. According to Boyle's law, the volume of a gas increases as the pressure decreases at constant temperature. |
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| Gay-Lussac's law describes the relationship between volume and temperature of a gas. |
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| According to the kinetic theory, in contrast to solids and liquids gases expand outward to fill space. |
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