Physical science March 11 Flashcards

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0
Q

How does Thermal energy move?

A

From hot to cold

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1
Q

What are the three common scales for measuring temperature

A

Fahrenheit Celsius and Kelvin scales

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2
Q

A material with high specific heat can absorb a great deal of Thermal energy without a change in what

A

Temperature

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3
Q

What is the formula for a change in energy

A

Mass times specific heat times change in temperature

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4
Q

What are the three ways heat is transferred?

A

Conduction convection and radiation

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5
Q

If two objects have different temperatures heat will flow from what to what?

A

Hot to cold

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6
Q

What transfers thermal energy well

A

Conductor

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7
Q

What does not transfer thermal energy well?

A

Insulator

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8
Q

Where are 3 states of matter

A

Solid liquid and gas

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9
Q

How can energy change from one state to another?

A

When thermal energy is absorbed or released

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10
Q

as thermal energy of matter increase what happens to the particles?

A

The particles spread out and the substance expand

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11
Q

Heat engines transform what energy to what energy

A

Thermal energy to mechanical energy

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12
Q

What’s is the device that transfers thermal energy from inside the refrigerator to the room outside

A

Refrigerator

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13
Q

A measure of the average kinetic energy of the individual particles in matter

A

Temperature

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14
Q

Most common temperature scale in the United States

A

Fahrenheit scale

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15
Q

The most common temperature scale in all other countries besides the United States

A

Celsius scale

16
Q

The temperature scale commonly used in physical science

A

Kelvin scale

17
Q

The temperature at which no more thermal energy can be removed from matter

A

Absolute zero

18
Q

Thermal energy that is transferred from matter at a higher temperature to matter at a lower temperature is

A

Heat

19
Q

The amount of energy required to raise the temperature of 1 kg of a material by 1 Kelvin is called

A

Specific heat

20
Q

The process when heat is transferred from one particle of Matter to another without the movement of the particle

A

Conduction

21
Q

When he is transferred by the Currents within a fluid

A

Convection

22
Q

Is the transfer of energy by electromagnetic waves

A

Radiation

23
Q

The flow that happens during convection creates a circular motion known as what

A

Convection current

24
Q

A material that conducts heat well

A

Conductor

25
Q

A material that does not conduct heat well

A

Insulator

26
Q

What is a state

A

A Form

27
Q

The physical change from one state of matter to another is called A

A

Change of state

28
Q

The change of state from a solid to liquid is

A

Melting

29
Q

The changes State from a liquid into a solid is called

A

Freezing

30
Q

If vaporization takes place at the surface of the liquid it is called

A

Evaporation

31
Q

What is it called when vaporization occurs below surface of the liquid

A

Boiling

32
Q

The change from a gas state to the liquid state is called what

A

Condensation

33
Q

The expanding of matter when it is heated is known as

A

Thermal expansion

34
Q

The transformation of thermal energy to mechanical energy requires a device calls

A

Heat engine

35
Q

Engines that burn fuel outside the engine in a boiler Are called

A

External combustion engines

36
Q

Engines that burn fuel in cylinders inside the engine are called

A

Internal combustion engines

37
Q

A substance that absorbs and releases heat in a refrigerator is called

A

Refrigerant