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Phys Sci > States of Matter - Amber > Flashcards

States of Matter - Amber Flashcards

1
Q

Solid

A

Solids have a definite shape and volume

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2
Q

Liquid

A

Liquids change shape, not volume

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3
Q

Gas

A

Gases are free to spread in all directions

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4
Q

Plasma

A

Plasma is a state of matter that does not have a definite shape and in which the particles have broken apart

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5
Q

Energy

A

The capacity to do work

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6
Q

Thermal energy

A

The kinetic energy of a substances atoms

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7
Q

Evaporation

A

The change of a substance from a liquid to a gas

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8
Q

Sublimination

A

The process in which a solid changes directly into a gas

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9
Q

Condensation

A

The change of a substance from a gas to a liquid

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10
Q

Crystalline solid

A

Crystalline solids have and orders arrangement of atoms or molecules

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11
Q

Amorphous solid

A

Amorphous solids are composed of atoms or molecules that are in no particular order

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12
Q

Surface tension

A

The force acting on the particles at the surface of a liquid cause a liquid to form spherical drops

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13
Q

Kinetic energy

A

Energy of motion

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14
Q

Heat

A

A transfer of energy that causes the temperature of a substance to change, which can lead to a change of state

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15
Q

Endothermic change

A

Changes that require energy

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16
Q

Exothermic change

A

Changes that release energy

17
Q

Fluid

A

A nonsolid state of matter in which the atoms or molecules are free to move past each other as in a gas or liquid

18
Q

Buoyant force

A

The upward force exerted on an object immersed in or floating on a fluid

19
Q

Pressure

A

The amount of force exerted per unit of a surface

20
Q

Archimedes’ principle

A

The principle that states that the buoyant force on an object in a fluid is an upward force equal to the weight of the volume of fluid that the object displaces

21
Q

Pascal

A

The SI unit of pressure - equal to the force of 1 N exerted over an area of 1 M^2
(abbv. Pa)

22
Q

Pascal’s principle

A

The principle that states that a fluid in equilibrium contained in a vessel exerts a pressure of equal intensity in all directions

23
Q

Viscosity

A

The resistance of a gas or liquid to flow

24
Q

Boyle’s law

A

The law that states that for a fixed amount of gas at a constant temperature, the volumes of the gas increases as the pressure of the gas decreases and the volume of the gas increases

25
Q

Charles’s law

A

The law that states that for a fixed amount of gas at a constant pressure, the volume of the gas increases as the temperature of the gas increases and the volume of the gas decreases as the temperature of the gas decreases

26
Q

Gay-Lussac’s law

A

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

Phys Sci (3 decks)

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