(14JAN16) Study Guide-Density
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. Jackson and Tyrese are in science class doing an experiment. They use a triple beam balance to find
the mass of a pencil (4.5 grams). Then they drop the pencil in water inside a graduated cylinder to
find the pencil’s volume (2 mL).
Use these two measurements to determine the density of the pencil.
a. 9 g/ml
____
b. 2.25 g/ml
c. 2 g
2. Jenny accidentally drops her ring into a graduated cylinder. Her ring has a mass of 6 grams and the
water level in the cylinder rises from 5 ml to 7 ml. What is the density of her ring?
a. 3 g/ml
____
b. 2 g/ml
c. 50 g/ml
3. A student is trying to determine the density of a cube using the formula shown below.
What is the density of the cube if it has a mass of 2 grams and a volume of 1 cubic centimeter?
a. 2.0 g/cm3
b. 3.0 g/cm3
c. 1.0 g/cm3
____
4.
Sample
Volume
Mass
Density
A
30 cc
100 g
3.5 g/cc
B
20 cc
80 g
4 g/cc
C
10 cc
108 g
10.8 g/cc
D
10 cc
25 g
2.5 g/cc
Trevor and Jaxson challenge you to compute the density of all four samples shown above on your
own paper. They can do it, and so can you.
Which density value shown above is NOT correct?
a. Sample A
____
b. Sample B
c. Sample D
5. Your science teacher conducts a density column demonstration using the following 3 liquids.
Designation
Substance
Density
Liquid 01
Water
1.0 g/mL
Liquid 02
Liquid Mercury
13.6 g/mL
Liquid 03
Turpentine
0.8 g/mL
Select the answer choice below that displays these 3 liquids in the correct order from top to bottom in
the graduated cylinder.
a. Water, Turpentine, Mercury
b. Level C, Level B, Level A
c. Turpentine, Water, Mercury
____
____
6.
Sample Volume
A
10 ml
B
10 ml
C
20 ml
D
100 ml
The table shows the masses of different samples of liquid.
Which sample has the LEAST density?
Mass
2g
3g
2g
50 g
a. Sample C
c. Sample D
b. Sample A
7.
The equation for density is shown below.
Which block has the GREATEST density?
a.
____
b.
c.
8.
A chart listing the density of four metals is shown below.
A student determines that a metal has a volume of 3 cubic centermeters and a mass of 8.1
grams. Using the formula above, this unknown metal is most likely...?
a. nickel
____
b. silver
c. aluminum
9.
The density for iron is 7.874 g/cm3. What would be the VOLUME of a piece of iron that has a
mass of 196.85g?
HINT: This one is not about finding the density. This one is about finding the volume.
VMD volume = mass divided by density.
a. 25g/cm3
b. 25cm3
c. 0.04cm3
d. 1549.99cm3
____ 10.
Substance
Gasoline
Diamond
Gold
Unknown solid
Unknown solid
Mass
13.6g
2.56g
755g
80g
36g
Volume
20cm3
0.8cm3
39.12cm3
50cm3
50cm3
Two part question:
(A) What is the density of diamonds?
(B) Which has greater density, diamonds or gold?
a. 3.2 g/cm3 , diamonds are more dense
b. 3.2 g/cm3 , gold is more dense
c. 19.3g/cm3, diamonds are more dense
Density
0.68g/cm3
???
19.3g/cm3
1.6g/cm3
.72g/cm3
(14JAN16) Study Guide-Density
Answer Section
MULTIPLE CHOICE
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B
A
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C
A
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C
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B
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