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Science > Chapter 6- Thermal Energy > Flashcards

Chapter 6- Thermal Energy Flashcards

1
Q

Temperature

A

Average Kinetic Energy of particles in an object

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2
Q

Thermal Energy

A

Kinetic Energy + Potential Energy

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3
Q

Heat

A

Thermal energy that flows from hot temperatures to cool temperatures

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4
Q

Specific Heat

A

amount of heat needed to raise the temperature of 1 kg of an object 1 degree Celsius

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5
Q

Kinetic Theory of Matter

A

All matter is made of small particles in random motion that have space between them

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6
Q

Conduction

A

transfer of TE by collisions between particles in matter

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7
Q

Convection

A

transfer of TE in a fluid by movement of hot and cold fluids from place to place

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8
Q

Radiation

A

transfer of energy by electromagnetic waves

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9
Q

Electrical Heating System

A

Heated coils in the ground heat up a room

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10
Q

Forced Air Heating System

A

fuel in the furnace blows air through ducts, ducts blow out hot air through vents

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11
Q

Radiator Heating System

A

metal container with hot water/steam. warm air travels by convection

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12
Q

Active Solar Heating System

A

Solar Panels absorb sunlight

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13
Q

Passive Solar Heating System

A

windows let sun into room and object absorb sunlight

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14
Q

Insulator

A

heat flows slower

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15
Q

Conductor

A

heat flows through

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16
Q

1st Law of Thermodynamics

A

raise in TE= work done + heat transferred

17
Q

2nd Law of Thermodynamics

A

heat goes warm to cool the TE of the warm decreases and the TE of the cold increases

18
Q

Intake Stroke

A

intake valve opens as piston moves down drawing a gas/air mixture in

19
Q

Compress stroke

A

the intake valve closes. the piston moves up compressing the fuel-air mixture

20
Q

Power Stroke

A

the spark plug ignites the mix, mix burns, hot gas expands pushing piston down

21
Q

Exhaust Stroke

A

piston rises exhaust valve opens and hot gases are pushed out

22
Q

Internal Combustion Engine

A

fuel is burned inside the engine in chamber/cylinders

23
Q

External Combustion Engine

A

fluid is heated by combustion through external force

24
Q

Heat Engine

A

converts heat to work

25
Q

Heat Mover

A

device that moves heat from lower temperatures to higher temperatures

26
Q

Heat Pump

A

2 way heat mover

27
Q

Heat of Fusion

A

temperature to change solid to liquid

28
Q

Heat of Vaporization

A

temperature to change liquid to gas

Science (6 decks)

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