ACHS Changes Of States Of Matter Question Preview (ID: 53462)


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when a liquid changes to a solid, the molecules
a) don't get any faster.
b) stop moving.
c) move faster
d) slow down

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when a solid is changed to a liquid, the molecules
a) slow down
b) move faster.
c) stop moving.
d) don't get any faster.

A ____ is a state of matter that does NOT have a definite shape but has a definite volume.
a) solid
b) liquid
c) gas
d) plasma

When a liquid changes to a gas, the molecules...
a) slow down and freeze
b) heat up and move faster.
c) stop moving.
d) heat up but don't get any faster.

A _____ is a state of matter that has a definite shape and definite volume.
a) liquid
b) solid
c) gas
d) plasma

_____ is anything that has mass and takes up space.
a) matter
b) volume
c) mass
d) density

Sal put on a pot of water to boil pasta. After a few minutes, all of the water was gone. This is an example of _
a) condensation
b) vaporization
c) fusion
d) solidification

A change in the state of matter is caused if enough _____ is added to or removed from an object.
a) potential energy
b) thermal energy
c) microwaves
d) kinetic energy

Clouds form because water vapor turns into water droplets (solid). This is an example of _____.
a) condensation
b) solidification
c) fusion
d) vaporization

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