Week 12
1. What is the density of a stack of coins
that takes up 40 mL of space and when
placed on a balance, it reads 60 g?
A. 1.5 g/mL
B. 0.67 g/mL
C. 2.0 g/mL
D. 1.0 g/mL
2. Density ________ as temperature increases.
A.
B.
C.
D.
Increases
Decreases
Stays the same
Is less noticeable
3. Iron has a density of about 8 g/cm3.
What is the mass of 2 cm3 of iron?
A. 4 g
B. 8 g
C. 16 g
D. 24 g
4. The density of water is 0.998 g/mL at 25 ͦC and
0.917 g/mL at 0 ͦC. What can you infer about water
from these two measurements?
A.
B.
C.
D.
Water is more dense when it is solid.
Water is less dense when it is liquid.
Ice will float on liquid water.
Ice will sink in liquid water.
5. The density of four unknown liquids is
given in the table. A student places a small,
solid cube in each of the liquids. The cube has
a mass of 10 grams and a volume of 8 cubic
centimeters. In which of the liquids will the
cube float?
a.
b.
c.
d.
in Liquid 4 only
in Liquid 3 and Liquid 4 only
in Liquid 2, Liquid 3, and Liquid 4 only
in Liquid 1, Liquid 2, Liquid 3, and Liquid 4
Liquid
Density
(g/cm3)
1
1.1
2
1.2
3
1.3
4
1.4
6. An aluminum bar was found to have a mass of 27 g.
Using water displacement, the volume was measured
to be 10 mL. What is the density of the aluminum?
A. 270 g/mL
C. 2.7 g/mL
B. 270 g
D. 2.7 g
7. In which phase change do particles move farther
apart?
a. Condensation
C. Melting
b. Freezing
D. Deposition
8. Atoms in the ______ phase have the most distance
between them. Atoms in the _____ phase have less
distance between them, but are still mobile.
a. Solid, gaseous
b. Solid, liquid
c. Gaseous, solid
d. Gaseous, liquid
9. The diagram shows matter changing states. How
did these particles move as matter changed state?
A. Particles lost energy and moved more slowly
B. Particles lost energy and moved more quickly
C. Particles gained energy and moved more
slowly
D. Particles gained energy and moved more
quickly
10. Which of the following correctly places the phases of
water from MOST dense to the LEAST dense?
a) Solid, liquid, gas, plasma
b) Solid, gas, plasma, liquid
c) Liquid, solid, gas, plasma
d) Plasma, solid, liquid, gas