Physical science March 11 Flashcards

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

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

23
Q

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

A

Convection current

24
A material that conducts heat well
Conductor
25
A material that does not conduct heat well
Insulator
26
What is a state
A Form
27
The physical change from one state of matter to another is called A
Change of state
28
The change of state from a solid to liquid is
Melting
29
The changes State from a liquid into a solid is called
Freezing
30
If vaporization takes place at the surface of the liquid it is called
Evaporation
31
What is it called when vaporization occurs below surface of the liquid
Boiling
32
The change from a gas state to the liquid state is called what
Condensation
33
The expanding of matter when it is heated is known as
Thermal expansion
34
The transformation of thermal energy to mechanical energy requires a device calls
Heat engine
35
Engines that burn fuel outside the engine in a boiler Are called
External combustion engines
36
Engines that burn fuel in cylinders inside the engine are called
Internal combustion engines
37
A substance that absorbs and releases heat in a refrigerator is called
Refrigerant