Expansion & Contraction Flashcards by Alec MacMillan

Q

Solid or Liquid

A

Fixed Volume

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Q

Gas

A

Indefinite Volume

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Q

Solids have a _____ amount of density

A

large

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Q

Liquids have a _____ amount of density

A

medium

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Q

Gasses have a _____ amount of density

A

little

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Q

Expansion

A

+V -D

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Q

Contraction

A

-V +D

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Q

Expansion happens when

A

Heat is added

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Q

Contraction happens when

A

Heat is removed

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Q

Exception to heat rule in expansion and contraction

A

Water

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Q

How water expands when heat is removed

A

Crystallization

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Q

How hot air balloons rise

A

Burner makes hotter air rises against colder air

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Q

Why does the hotter air rise

A

It expands making it less dense

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