thermal energy transfer Flashcards

(13 cards)

1
Q

matter

A

any substance that occupies space and has mass

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2
Q

states of matter

A

solid, liquid, gas, and plasma

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3
Q

energy

A

heat, light, electrical energy, or mechanical energy

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4
Q

kinetic energy

A

the energy of an object because of motion the word kinetic stems from the Greek word for motion.

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5
Q

thermal energy

A

the total moving particles

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6
Q

temperature

A

measures the average kinetic energy of the particles of an object or substance . it is like a speedometer for how fast particles are moving.

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7
Q

heat

A

the transfer of energy

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8
Q

conduction

A

the transfer of heat through a solid material by direct contact of particles

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9
Q

convection

A

the transfer of heat in a fluid (gas/liquid) which is caused when hotter less dense fluids rise and cooler more dense fluids sink

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10
Q

radiation

A

the transfer of heat through empty space by invisible electromagnetic rays.

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11
Q

thermal equilibrium

A

it happens when heat flows from a higher temperature object to a lower temperature object until the two objects have equal temperature.

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12
Q

conductor

A

materials that allow electrical current to flow through them easily.

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13
Q

insulator

A

a substance which does not really allow the passage of heat or sound

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