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Science 8 > Unit 1.3 > Flashcards

Unit 1.3 Flashcards

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1
Q

Thermal Energy

A

Heat energy

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2
Q

Temperature

A

Measure of average kinetic energy in a material

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3
Q

Heat

A

The movement of thermal energy from a region of higher temperature to a region of lower temperature

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4
Q

Conduction

A

The transfer of thermal energy via direct contact

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5
Q

Convention

A

The transfer of thermal energy via movement of particles from one area to another

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6
Q

Convention current

A

The movement of fluids in a cycle caused by convection

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7
Q

Solid

A

-definite shape
-definite volume
-compact
-slow
-low energy
-vibration
-High attraction

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8
Q

Liquid

A

-Definite volume
-No definite shape
-More loose
-Faster than a solid
-more energy than a solid
-medium attraction

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9
Q

Gas

A

-No definite shape
-No definite volume
-very spread apart
-drifting around the space they occupy
-fastest of all three states
-little to no attraction

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10
Q

Viscosity

A

A measurement of a liquid’s resistance to flow

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11
Q

Surface Tension

A

The uneven forces acting on the particles on the surface of the liquid

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12
Q

Vapor

A

The gas state of a substance that is normally a solid or liquid at room temperature

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13
Q

Kinetic Energy

A

Energy in motion

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14
Q

Potential energy

A

Stored energy

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15
Q

Vaporization

A

The change in state from liquid to gas

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16
Q

Evaporation

A

A slow process taking place at the surface of a liquid (liquid to gas)

17
Q

Condensation

A

The change in state from gas to liquid

18
Q

Sublimation

A

Solid to gas

19
Q

Deposition

A

Gas to solid

20
Q

Melting

A

Solid to liquid

21
Q

Freezing

A

Liquid to solid

22
Q

Kinetic Molecular Theory

A

An explanation of how water particles behave

23
Q

Pressure

A

The amount of force per unit area applied to an object’s surface

24
Q

Charles’s Law

A

Volume increasing, constant pressure, increasing temperature

25
Q

Boyle’s Law

A

Volume and pressure inversely proportional, constant temperature

26
Q

Mass

A

Amount of matter an object has (grams)

27
Q

Volume

A

How much space an object takes up (cm^3, mL)

28
Q

Density

A

m/v=d (g/cm^3, g/mL)

Science 8 (3 decks)

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