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WorksheetsChapter 16 8th Grade Science Putman
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Matter in which atoms are tightly held in place is a ____.
a)
gas
b)
liquid
c)
solid
d)
plasma
2.
A gas-like mixture with no definite volume or shape that is made up of positively and negatively charged particles is a ____.
a)
gas
b)
plasma
c)
liquid
d)
solid
3.
Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a ____.
a)
gas
b)
plasma
c)
liquid
d)
solid
4.
Most matter ____ when heated.
a)
expands
b)
contracts
c)
condenses
d)
solidifies
5.
The theoretical point at which all molecular motion stops is called ____.
a)
the boiling point
b)
absolute zero
c)
the melting point
d)
the frozen point
6.
Compared to most substances, water is unusual because it ____ when it goes from the liquid to solid state.
a)
diffuses
b)
expands
c)
contracts
d)
melts
7.
The amount of energy needed to change a material from a liquid to a gas is called the heat of ____.
a)
fusion
b)
condensation
c)
evaporation
d)
vaporization
8.
According to ____, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase.
a)
Archemedes’ principle
b)
Boyle’s law
c)
Charles’s law
d)
Bernoulli’s principle
9.
According to ____, the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object.
a)
Archimedes’ principle
b)
Boyle’s law
c)
Charles’s law
d)
Bernoulli’s principle
10.
According to ____, as the velocity of a fluid increases, the pressure exerted by the fluid decreases.
a)
Bernoulli’s principle
b)
Archimedes’ principle
c)
Charles’s law
d)
Boyle’s law
11.
According to ____, pressure applied to a fluid is transmitted unchanged throughout that fluid.
a)
Archemedes’ principle
b)
Pascal’s principle
c)
Bernoulli’s principle
d)
Charles’s law
12.
Hydraulic machines work by applying ____.
a)
Pascal’s principle
b)
Archemedes’ principle
c)
Charles’s law
d)
Bernoulli’s principle
13.
Whether an object will sink or float in a fluid is determined by ____.
a)
Bernoulli’s principle
b)
Charles’s law
c)
Boyle’s law
d)
Archemedes’ principle
14.
Bernoulli’s principle explains why ____.
a)
planes fly
b)
heat of fusion exists
c)
heated objects expand
d)
boats float
15.
As a sample of matter is heated, its particles ____.
a)
are unaffected
b)
Move more quickly
c)
stop moving
d)
move more slowly
16.
The most common state of matter in the universe is ____.
a)
gas
b)
liquid
c)
plasma
d)
solid
17.
A fluid’s resistance to flow is called ____.
a)
viscosity
b)
stickiness
c)
buoyancy
d)
fluid pressure
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