Frosh PhySci - Changes of State Quiz

Question 0

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T/F Matter can change back and forth between any two states of matter.

Answer 0

True

Question 1

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Fog forms when water changes to the ________ state.

Answer 1

liquid

Question 2

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T/F Changes of state are chemical changes in matter

Answer 2

False

Question 3

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Processes involved in changes of state include
a- evaporation
b- tarnishing
c- combusting
d- two of the above

Answer 3

A - evaporation The other two are chemical changes

Question 4

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The process in which a solid changes directly to a gas is called ___________.

Answer 4

Sublimation

Question 5

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When a gas changes directly to a solid it is called \_\_\_\_\_\_\_\_\_\_\_. 
a- condensation
b- vaporization
c- freezing
d- deposition

Answer 5

deposition

Question 6

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T/F Matter always absorbs energy when it changes state

Answer 6

False Can either gain or lose energy when changing state

Question 7

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Freezing changes matter from a liquid to a(n) __________ state.

Answer 7

Solid

Question 8

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Which process does not involve matter in the liquid state?
a- melting
b- condensation
c- evaporation
d- sublimation

Answer 8

D. - sublimation Deposition also does NOT involve the liquid state

Question 9

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Explain the role of energy in changes of state.

Answer 9

The energy of the particles determines the state.
Gains in energy –> Solid–> liquid–> gas
Losses in energy Solid <–liquid <–gas