in general, when most types of matter cool, they:?

a. expand

b. contract

c. boil

d. melt

which one??

5 Answers

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  • 1 decade ago
    Favorite Answer

    b. contract

  • ?
    Lv 7
    1 decade ago

    Generally, all matter except water will CONTRACT on cooling.

    At increasing temps above and decreasing temps below, 4 degrees Celsius, water (and ice) EXPAND.

    (At 4 degrees C, water is at its maximum Density.

    Source(s): School Physics
  • 1 decade ago

    B. Contract. Final answer.

  • contract, except for water.

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  • 1 decade ago

    contract

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