Science changes of state Flashcards

1
Q

The physical forms of matter which include solid, liquid, and gas

A

States of matter

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2
Q

The state of matter in which the volume and shape of a substance are fixed

A

Solid

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3
Q

The state of matter that has a definite volume but not a definite shape

A

Liquid

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4
Q

The force that acts on the surface of a liquid and that tends to minimize the area of the surface

A

Surface tension

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5
Q

The resistance of a gas or liquid to flow

A

Viscosity

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6
Q

A form of matter that does not have a definite volume or shaoe

A

Gas

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7
Q

A measure of how hot (or cold) Something is; Specifically, a measure of the movement of particles

A

Tempature

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8
Q

A measure of the size of a body or region in three dimensional space

A

Volume

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9
Q

The amount of force exerted per unit area of a surface

A

Pressure

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10
Q

The law that states that the volume of a gas is inversely proportional to the pressure of a gas when temperature is constant

A

Boyle’s law

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11
Q

The law that states that the volume of a gas is directly proportional to the temperature of a gas when pressure is constant

A

Charles’s law

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12
Q

The change of a substance from one physical state to another

A

Change of state

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13
Q

The change of state in which a solid becomes a liquid by adding energu

A

Melting

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14
Q

The change of a substance to a liquid to a gas

A

Evaporation

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15
Q

The conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure

A

Boiling

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16
Q

The change of state from a gas to a liquid

A

Condesation

17
Q

The process in which a solid changes directly into a liquid

A

Sublimation