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WorksheetsStates of matter and Phase changes
Total questions: 50
Worksheet time: 49mins
Name
Class
Date
1.
Which form of matter take the shape of a container like this juice?
a)
liquid
b)
solid
c)
glass
d)
gas
2.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
3.
In a solid, the particles
a)
vibrate in place
b)
slide past one another
c)
overcome the strong attraction
d)
move freely in any direction
4.
Condensation is . . . .
a)
gas to liquid
b)
liquid to gas
c)
gas to solid
d)
solid to liquid
5.
Freezing (or solidification) is . . . .
a)
liquid to solid
b)
solid to liquid
c)
solid to gas
d)
solid to plasma
6.
5. What is it called when a solid turns directly into a gas?
a)
Sublimation
b)
Condensation
c)
Liquid
7.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
8.
Vaporization includes _____________ and _____________.
a)
melting and boiling
b)
condensation and boiling
c)
sublimation and freezing
d)
evaporation and boiling
9.
Endothermic phase changes include
a)
conduction, convection and radiation
b)
freezing and condensation
c)
vaporization and condensation
d)
melting, boiling, evaporation and sublimation
10.
Exothermic phase changes include
a)
conduction, convection and radiation
b)
freezing and condensation
c)
vaporization and condensation
d)
melting, boiling, evaporation and sublimation
11.
________________________ is the temperature at which a solid begins to liquefy.
a)
boiling point
b)
condensation point
c)
melting point
d)
evaporation point
12.
Deposition is the opposite of sublimation.
a)
True
b)
False
13.
What is the change from a Solid to a Gas due to the gaining of energy?
a)
Condensation
b)
Vaporization
c)
Sublimation
d)
Deposition
14.
4. What type of state of matter is a gas that has electrons flowing through it?
a)
Gas
b)
Liquid
c)
Plasma
d)
Solid
15.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
16.
Which of the following happen when a solid becomes a liquid.
a)
The particles move slower and get closer
b)
The particles move faster and move farther apart
17.
To make the molecules in a substance move slower energy needs to be added.
a)
True
b)
False
18.
Which of these has the least amount of energy?
a)
particles in a solid
b)
particles in a gas
c)
particles in a liquid
19.
The water in a bowl seems to have disappeared after a few days.
a)
sublimation
b)
condensation
c)
melting
d)
evaporation
20.
Wax in a lit candle will do this.
a)
melt
b)
freeze
c)
evaporate
d)
sublimate
21.
The freezing point of water in celcius is....
a)
0 C
b)
32 C
c)
100 C
d)
-21 C
22.
A state of matter that has an no definite volume and shape and can be easily compressed or squished.
a)
Solid
b)
Gas
c)
liquid
23.
The speed of a substance molecules changes when the _________ changes.
a)
inertia
b)
mass
c)
temperature
d)
weight
24.
The freezing point of water in Fahrenheit is ....
a)
23 degrees
b)
32 degrees
c)
5 degrees
d)
10 degrees
25.
Boiling point of water in Fahrenheit is
a)
212 degrees
b)
1001 degrees
c)
20 degrees
26.
Water droplets forming on your mirror in your bathroom after you shower shows..
a)
evaporation
b)
sublimation
c)
condensation
d)
freezing
27.
Which of the following happen when a solid becomes a liquid?
a)
The particles move closer together
b)
The particles move faster and slide past each other
c)
The particles slow down
d)
The particle break away from each other
28.
When evaporation happens the liquid’s molecules.....
a)
slow down
b)
speed up
c)
don't do anything
29.
The more pressure added to a gas the_____ volume of the gas
a)
More
b)
Less
30.
When a helium filled ballon is cooled down
a)
the ballon deflates because the gas particles are slowing down
b)
tge ballon inflates because the gas particles are going faster
31.
This state of matter has a definite volume but an indefinite shape and takes the shape of its container.
a)
Liquid
b)
Solid
c)
Gas
32.
4. What type of state of matter is a gas that has electrons flowing through it?
a)
Gas
b)
Liquid
c)
Plasma
d)
Solid
33.
7. All phase changes (changing states) requires energy to be added or taken away.
a)
True
b)
False
34.
What is deposition?
a)
Phase change from gas to solid
b)
phase change from liquid to solid
c)
Phase change from solid to gas
d)
Phase change from liquid to gas
35.
Molecules are far apart and are in constant motion.
a)
Solid
b)
Liquid
c)
Gas
36.
Molecules change position easily and slide past one another.
a)
Solid
b)
Liquid
c)
Gas
37.
Molecules move, but they only vibrate in place.
a)
Solid
b)
Liquid
c)
Gas
38.
When heat is added, this state melts into a liquid and the molecules speed up.
a)
Solid
b)
Liquid
c)
Gas
39.
When heat is added, this state evaporates into a gas and the molecules speed up.
a)
Solid
b)
Liquid
c)
Gas
40.
Between what two points is the most energy being added to the system
a)
A -B
b)
B-C
c)
C-D
d)
D-E
41.
Which line segment demonstrates vaporization occurring?
a)
B-C
b)
C-D
c)
D-E
d)
E-F
42.
What phase change is occurring at line segment B-C if the graph is exothermic?
a)
melting
b)
freezing
c)
boiling
d)
condensation
43.
As substance goes from D to E what happens to the distance between the particles?
a)
particles get closer together
b)
particles disappear
c)
particles get far apart
44.
At what temperature is this substance melting?
a)
50C
b)
100C
c)
0C
45.
At point temperature does this substance finish melting?
a)
B
b)
C
c)
D
d)
E
46.
The temperature at which a substance in the liquid state freezes is the same as the temperature at which the substance_________-
a)
melts
b)
sublimes
c)
boils
d)
condenses
47.
Phase change going from a Gas to a Plasma...
a)
Melting
b)
Vaporization
c)
Ionization
d)
Freezing
48.
Is the substance gaining or losing energy?
a)
Gaining
b)
Losing
49.
Is the substance gaining or losing energy?
a)
Gaining
b)
Losing
50.
Where on the graph are phase changes taking place?
a)
1
b)
2
c)
3
d)
4
e)
5
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