(15FEB13) CW-Density
Instructions:
(1) Print a copy of this document (or simply write your answers on your own sheet of paper).
(2) Read each step of each question, and do what it tells you to do.
____
1.
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...
Step 3
Find the mass and volume in the statement above
What is the mass? ___________
What is the volume? _________
Keep in mind that in this case you are solving for density, so write out the formula
for density. Density = ___________  ___________
Determine which number will go inside the doghouse.
Step 4
Do the math (division). Show your work here.
Step 5
Next add the units of measure to your numerical answer. (Fill in the blank)
Write out the entire correct answer with the units: _____________
Compare and contrast this answer with 4 metals shown in the chart
Which metal is this substance most like to be (fill in the blank): __________
Circle the correct letter below
Step 1
Step 2
Step 6
Step 7
Step 8
a. aluminum
____
b. iron
c. nickel
d. Silver
2. A student is given an object and is asked to identify its density. The object has a volume of 3 cubic
centimeters and a mass of 6 grams.
Using the formula above, what is the density of the object?
Step 3
Find the mass and volume in the statement above
What is the mass? ___________
What is the volume? _________
Keep in mind that in this case you are solving for density, so write out the formula
for density. Density = ___________  ___________
Determine which number will go inside the doghouse.
Step 4
Do the math (division). Show your work here.
Step 1
Step 2
Step 5
Step 6
Next add the units of measure to your numerical answer. (Fill in the blank)
Write out the entire correct answer with the units: _____________
Circle the correct letter below
a. 2 grams/cubic centimeter
b. 3 grams/cubic centimeter
____
c. 6 grams/cubic centimeter
d. 9 grams/cubic centimeter
3.
Which block has the GREATEST density?
CHOICE A
Step 1
Step 2
Step 3
Step 4
CHOICE B
Write the mass and volume for choice A: Mass ________, Volume: _________
Write the mass and volume for choice B: Mass ________, Volume: _________
Write the density formula: Density = ___________  ___________
Determine which number will go inside the doghouse.
Choice A
Do the math (division).
Choice B
Do the math (division).
Step 5
Step 6
Step 7
Next add the units of measure to your numerical answer. (Fill in the blank)
Write the answer with the units: Choice A:__________, Choice B: _________
Constrast the answers and select the highest number for the greatest density
Circle the correct letter below
a. Choice A
____
b. Choice B
4. (4) Ver Two UNDER CONSTRUCTION
Sample
Volume
Mass
A
100 ml
100g
B
100 ml
80g
C
100 ml
108g
D
100 ml
90g
The table shows the masses of different samples of liquid. Which sample has the GREATEST
density?
Step 1
Step 2
Step 3
Write the density formula: Density = ___________  __________
Determine which number will go inside the doghouse.
Sample A
Sample B
Do the math (division).
Do the math (division).
Step 4
Step 5
Step 6
Step 7
Sample C
Do the math (division).
Sample D
Do the math (division).
Next add the units of measure to your numerical answer. (Fill in the blank)
Write the answer with the units:
Sample A:__________, Sample B: _________
Sample C:__________, Sample D: _________
Constrast the answers & select the sample with highest number (greatest density)
Circle the correct letter below
a. Sample A
b. Sample B
c. Sample C
d. Sample D
____
5. While doing an experiment in science class, Lenny accidentaly drops his pencil into a graduated
cylinder. If the pencil has a mass of 12 grams and the water level in the cylinder rises from 41 ml to
44 ml. Determine the density of the pencil.
Step 3
Step 4
Find the mass in the statement above. What is the mass? ___________
What is
the volume? _________
Find the volume in statement above.
Hint: Subtract the original amount of water from the final amount of water.
Formula: Final amoun minus staring amoun=volume of the pencil
What is the volume of the pencil? _______mL
Write out the formula for density. Density = ___________  ___________
Determine which number will go inside the doghouse.
Step 5
Do the math (division). Show your work here.
Step 1
Step 2
Step 5
Step 7
Next add the units of measure to your numerical answer. (Fill in the blank)
Write out the entire correct answer with the units: _____________
Circle the correct letter below
a. 6.1 g/ml
b. 0.5 g/ml
c. 2 g/ml d.
d. 4 g/ml
(15FEB13) CW-Density
Answer Section
MULTIPLE CHOICE
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A
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D
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PT 09-10
SC 09-10
SC 09-10
SC 09-10
SC 09-10
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SPI 0807.9.7
SPI 0807.9.7
SPI 0807.9.7
SPI 0807.9.7
SPI 0807.9.7