States of Matter
Practice Test
1.
__________ is the force that acts between particles of different substances.
a.
Adhesion
b.
Elasticity
c.
Cohesion
d.
Rehesion
Hint
2.
__________ have no definite shape and flow.
a.
Crystals
b.
Metals
c.
Solids
d.
Fluids
Hint
3.
As water cools below 4°C, what happens?
a.
it changes to an amorphous solid
b.
it expands
c.
it contracts
d.
it melts
Hint
4.
What happens to a bimetallic strip when it is heated?
a.
it contracts
b.
it becomes elastic
c.
its cohesive properties decrease
d.
it bends
Hint
5.
If an iron bar expands 0.1 cm when heated 20°C, how much would it expand if it were heated 40°C?
a.
0.1 cm
b.
0.05 cm
c.
0.2 cm
d.
1 cm
Hint
6.
According to Archimedes' principle, an object immersed in fluid has an upward force on it equal to __________.
a.
the weight of the fluid displaced minus the weight of the object
b.
the weight of the fluid displaced
c.
the weight of the object
d.
the weight of all the fluid in the container
Hint
7.
Based on the information given with Figure 13-12, what is the maximum pressure Alvin can withstand? Use 1030 kg/m
3
for the density of seawater.
a.
1.06×10
8
Pa
b.
4.41×10
7
Pa
c.
4.54×10
7
Pa
d.
1.03×10
8
Pa
Hint
8.
Surface tension is a result of __________ in a fluid.
a.
cohesive forces
b.
nuclear forces
c.
adhesive forces
d.
kinetic forces
Hint
