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Changes in States of Matter: Unit 3 Review

Total questions: 13

Worksheet time: 39mins

Name
Class
Date
1.

An uncovered pot of soup is simmering on Ms. J's stove, and there are water droplets on the wall behind it. What sequence can you infer has occurred?

a)

vaporization, then condensation

b)

freezing, then thawing

c)

condensation, then vaporization

d)

Marvin the Martian used his phasor to blast the droplets on the wall!

2.
The change from liquid to solid, or the reverse of melting, is called:
a)
freezing
b)
condensation
c)
boiling
d)
sublimation
3.
What is vaporization?
a)
a liquid becoming a gas
b)
a gas becoming a liquid
c)
a liquid becoming a solid
d)
a gas becoming a solid
4.
A shrinking puddle is an example of ___________, or vaporization that takes place only on the surface of a liquid.
a)
evaporation
b)
boiling
c)
freezing
d)
melting
5.
What happens when the particles in a liquid move so slowly that they begin to take on fixed positions?
a)
Condensation
b)
Vaporization
c)
Melting
d)
Freezing
6.

These are the two types of vaporization:

a)

evaporation and boiling

b)

evaporation and condensation

c)

boiling and condensation

d)

freezing and melting

7.
An ice cube is placed in a pan. The pan is placed over an open flame. Which change will MOST likely happen over time?
a)
The ice changes to a gas then a liquid
b)
The ice changes to a gas and then back to a solid
c)
The ice changes to a liquid then to a gas.
d)
The ice changes to a liquid and back to a solid. 
8.

What happens to the movement of the particles in a substance when the heat energy is increased?

a)

They Speed Up

b)

They Slow Down

c)

Nothing Happens

d)

Disco Dancing Occurs

9.

What happens to the movement of the particles in a substance when the heat energy is decreased?

a)

They Speed Up

b)

They Slow Down

c)

Nothing Happens

d)

Snoring Occurs

10.

Dry ice changing from a solid to a gas is known as...

a)

freezing

b)

Jumping Jack Flash

c)

vaporization/boiling

d)

sublimation

11.

Look at this image... Molecules are far apart and are in constant motion best represents a

a)

Solid

b)

Liquid

c)

Gas

d)

Popcorn Machine

12.

This picture shows liquid water changing into a ______.

a)

Solid

b)

Liquid

c)

Gas

d)

Purple Haze

13.

How can you make liquid water become a solid?

a)

Add a lot of salt to the water.

b)

Put the water in a very cold place

c)

Shake the water container very fast.

d)

Flick your wand and the say 'Petrificus Totalus'