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Word Problem Exercises: Science - Density Problems
A few, fun
density
problems for you!
General Questions
What is the
density
of a piece of wood that has a
mass
of 25.0 grams and a
volume
of 29.4 cm
^{3}
?
1.
A piece of wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a
mass
of 80.0 grams. What is the
density
of the wood? Would the piece of wood float in water? (volume =
L
x
W
x
H
)
2.
A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the
volume
of the beads was calculated to be 48.0 cm
^{3}
. Given the following densities, identify the metal.
Gold: 19.3 g/mL
Copper: 8.86 g/mL
Bronze: 9.87 g/mL
3.
I threw a plastic ball in the pool for my dog to fetch. The
mass
of the ball was 125 grams. What must the
volume
be to have a
density
of 0.500 g/mL. ( I want it to float of course!)
4.
After throwing the ball in the pool for my dog, the ball sprung a leak and began to fill with water. How many mL of water can the ball absorb before the ball sinks?
5.
What is the
mass
of a
cylinder
of lead that is 2.50 cm in diameter, and 5.50 cm long. The
density
of lead is 11.4 g/mL and the
volume of a cylinder
is
.
6.
The
volume
of a
solution
was measured in a graduated
cylinder
(shown above). If the
mass
of
solution
is measured to be 60.75 grams, what is the
density
of the solution?
7.
An ice cube measuring 5.80 cm by 5.80 cm by 5.80 cm has a
density
of 0.917 g/mL. What is the mass?
8.
Gasoline is a non-polar
liquid
that will float on water. 450 grams of gasoline is spilled into a puddle of water. If the
density
of gasoline is 0.665 g/mL, what
volume
of gasoline is spilled?
9.
The
density
of aluminum is 2.70 g/mL. If the
mass
of a piece of aluminum is 244 grams, what is the
volume
of the aluminum?
10.
Question Group #2
Directions and/or Common Information:
A Mind Bender Problem
A little aluminum boat (mass of 14.50 g) has a
volume
of 450.00 cm
^{3}
. The boat is place in a small pool of water and carefully filled with pennies. If each penny has a
mass
of 2.50 g, how many pennies can be added to the boat before it sinks?
1.
G Waller
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