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Science Flashcards

1
Q

Heat

A

Measurement of the transfer of energy between substances at different temperatures.

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2
Q

Temperature

A

Measurement of hot and cold

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3
Q

Thermal Energy

A

Total of kinetic energy and potential energy in the substance.

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4
Q

Kinetic Energy

A

Particle motion

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5
Q

Potential energy

A

Stand in bonds

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6
Q

Specific Heat

A

Property of a substance that describes how much heat is absorbed or released to change 1 gram by 1 *C

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7
Q

Calorimeter

A

Device used to calculate heat transfer by measuring temperature change.

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8
Q

Application

A

Antifreeze in car weather

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9
Q

Thermal Expansion

A

The volume of a substance increase when heat absorbed.

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10
Q

Thermal Contraction

A

The volume decreases when energy is removed

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11
Q

Conduction

A

Energy moves because of particle collisions.

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12
Q

Convection

A

Energy moves because of density differences

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13
Q

Radiation

A

Photons of energy move as waves.

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14
Q

Describe the changes of state

Melting

A

Solid to liquid… Heat added

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15
Q

Describe the changes of state

Boiling/ Evaporation

A

Liquid to gas… Heat added

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16
Q

Describe the changes of state

Sublimation

A

Solid to gas… Heat added

17
Q

Describe the changes of state

Condensation

A

Gas to solid… Heat removed

18
Q

Describe the changes of state

Freezing

A

Liquid to solid… Heat removed

19
Q

Describe the changes of state

Deposition

A

Gas to solid… Heat removed

20
Q

Use the Kinetic- Molecular Theory to describe a state of matter
Solid

A

Particles vibrate in fixed position, defines shape and volume.

21
Q

Use the Kinetic- Molecular Theory to describe a state of matter
Liquid

A

Particles slide past each other but remain close, Definite volume and shape of container.

22
Q

Use the Kinetic- Molecular Theory to describe a state of matter
Gas

A

Particles move independently and far apart, Indefinite shape and volume.

23
Q

Use the Kinetic- Molecular Theory to describe a state of matter
Plasma

A

High temperature charged particles with free motion.

Science (2 decks)

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