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Heat > Heat > Flashcards

Heat Flashcards

1
Q

Heat

A

A form of energy

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2
Q

Materials expand

A

When heated and contracted when cooled

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3
Q

Above 4 degrees water

A

Behaves like any other liquid

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4
Q

Below 4 degrees water

A

Behaves oppositely to other liquids

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5
Q

Reducing pressure

A

Lowers the boiling point of water below 100 degrees

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6
Q

Temperature

A

Is a measure of the hotness of the body

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7
Q

When heat causes a change in state and not a change in temperature we call it

A

Latent heat

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8
Q

When heat changes a solid to a liquid with no temperature change we call it

A

Latent heat of fusion

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9
Q

When heat changes a liquid to a gas with no change in temperature we call it

A

Latent hear of vaporisation

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10
Q

Heat can travel by 3 methods

A

Conduction,convection and radiation

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11
Q

Insulators are materials that are

A

Poor conductors of heat

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12
Q

Radiation

A

Radiation is the transfer of heat from a hot object without the need of a medium

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13
Q

Temperature

A

A measure how hot an object is

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14
Q

Temperature is measure with

A

The thermometer

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15
Q

We deal with 2 types of a thermometer

A

Mercury thermometer and a alcohol thermometer

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16
Q

The liquid in the thermometer

A

Will expand and rise when heated and will contract and fall when cooled

17
Q

Temperature is measured

A

Between 0 and (degrees celcius)

18
Q

Melting point

A

When a solid turns to a liquid

19
Q

Boiling point

A

When a liquid turns to a gas

20
Q

Freezing point

A

When a liquid turns to a solid

21
Q

Condensation

A

A gas turning to a liquid

22
Q

Latent heat

A

The heat taken in or given out when a substance is changing state without it changing temperature

23
Q

Latent heat of fusion

A

Used when a solid changes a liquid

24
Q

Latent heat of vaporisation

A

Is used when liquid changes to a gas

Heat (1 decks)

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