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WorksheetsPhase Changes review
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
When particles are in a solid, what are they doing?
a)
Vibrating while in place
b)
Bouncing off each other
c)
Quickly slipping by one another
2.
Lighting a candle is an example of what kind of phase change?
a)
Boiling
b)
Evaporation
c)
Melting
d)
Burning point
3.
What is Sublimation?
a)
When a substance goes straight from gas to solid
b)
When a substance goes straight from a liquid to solid
c)
When a substance goes straight from a solid to a gas
d)
When a substance goes straight from plasma to gas
4.
If energy is given to a particle, it makes the particle move more _______?
a)
Slower
b)
Faster
5.
Melting happens when?
a)
The substance goes to a liquid to solid
b)
The substance goes to a solid to liquid
6.
Deposition happens when?
a)
The substance goes straight from a solid to a gas
b)
The substance goes to a solid, liquid then gas
c)
When a substance goes from gas, liquid then solid
d)
The substance goes straight from a gas to a solid
7.
A liquid has what property?
a)
Particles are always bouncing off each other
b)
Particles move at a slower speed
c)
Particles flow past each other
8.
What type of state of matter is a gas that has electrons flowing through it?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
9.
A change from liquid to a gas is called?
a)
Condensation
b)
Deposition
c)
Evaporation
10.
What is another way to explain fusion?
a)
When two or more substances stick together
b)
When a substance combusts
c)
When a substance melts
11.
An exothermic change is an example of?
a)
Freezing
b)
Melting
c)
Condensation
12.
What is Specific Heat?
a)
The most precise temperature scientist can calculate
b)
Energy required to heat one gram of a substance to one kelvin
13.
Vapor pressure is when?
a)
Water vapor collects above the liquid
b)
The pressure becomes to great for the liquid to handle causing it to expand
c)
When the pressure is caused by the collisions of the vapor and the walls of the container
14.
_________ is either absorbed or released during a phase change?
a)
Particles
b)
Electrons
c)
Energy
d)
Protons
15.
True or False? The temperature of a substance does change during a phase change?
a)
True
b)
False
16.
True or False? The boiling point of a substance depends of the atmospheric pressure.
a)
True
b)
False
17.
True or False? Evaporation starts when the liquid reaches its boiling point.
a)
True
b)
False
18.
True or False? Phase changes and chemical changes are both the same.
a)
True
b)
False
19.
Which is NOT a phase change.
a)
Melting
b)
Deposition
c)
Sublimation
d)
Hudation
20.
Are phase changes reversible?
a)
Sometimes
b)
Always
c)
Never
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