Violent Volcanoes Flashcards by Joe Fenton

Q

What are the three states of matter?

A

Solid, liquid and gas

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Q

What doe we call these : Solid, liquid and gas

A

The three states of matter

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Q

Changes of state:
There are six changes of state

What do we call it when a gas becomes a liquid?

A

Condensation

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Q

Changes of state:
There are six changes of state

What do we call it when a liquid becomes a solid

A

Solidification

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Q

Changes of state:
There are six changes of state

What do we call it when a solid becomes a gas

A

Sublimation

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Q

Changes of state:
There are six changes of state

What do we call it when a gas becomes a solid

A

Deposition

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Q

Changes of state:
There are six changes of state

What do we call it when a solid becomes a liquid

A

Melting

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Q

Changes of state:
There are six changes of state

What do we call it when a liquid becomes a gas

A

Evaporation

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Q

Changes of state:
There are six changes of state

What is condensation?

A

When gas becomes liquid

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Q

Changes of state:
There are six changes of state

What is solidification?

A

When liquid becomes solid

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Q

Changes of state:
There are six changes of state

What is sublimation?

A

When solid becomes a gas

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Q

Changes of state:
There are six changes of state

What is deposition?

A

When gas becomes solid

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Q

Changes of state:
There are six changes of state

What is melting?

A

When solid becomes liquid

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Q

Changes of state:
There are six changes of state

What is evaporation?

A

When liquid becomes gas

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Q

State of matter

How do the melting and boiling points tell you about the state of matter?

A

Below the melting point it is solid (like ice)
Between melting and boiling point it is liquid (like water)
Above boiling point is is gas (like steam)

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Q

How is heat transfered by radiation?

Study These Flashcards

A

Hot objects radiate heat as infrared rays - this is called radiation

Q

Radiation is a W—-, a form of energy much like light.

Study These Flashcards

A

Wave

Q

Can radiation travel through a vacuum

Study These Flashcards

A

Yes

Q

What radiates fastest, hotter or cooler objects?

Study These Flashcards

A

Objects that are hotter radiate faster

Q

What is the difference for radiation between Matt lack surfaces and shiny surfaces?

Study These Flashcards

A

Matt black surfaces radiate heat radiation well - they cool quickly

Shiny silvery surfaces are poor radiators of heat - cool slowly

Q

What type of surface radiates well and cools quickly?

Study These Flashcards

A

A Matt black surface

Q

What kind of surface radiates poorly and cools slowly?

Study These Flashcards

A

Shiny silvery surfaces

Q

What type of surface reflects nearly all the heat radiation falling on them?

Study These Flashcards

A

Shiny silvery surfaces

Q

What type of surface absorbs nearly all the heat radiation falling on it ?

Study These Flashcards

A

Matt black

Svience What is the cooling curve?

This is the rate of heat loss over time but there line curves as the rate of heat loss slows over time. This is because hotter objects radiate more heat and cool more quickly than cooler objects