Name:_____________________________________________ Date:_______________ TB:________
DENSITY
1. Define mass?
2. Define volume?
3. Define density and show the formula for calculating density.
4. Why does changing the shape of an object have no effect on the density of that object?
5. Aluminum is used to make airplanes. Cast iron is used to make weightlifting equipment.
Explain why the densities of these metals make them useful for these purposes?
6. What is the density of water? Remember for water 1g=1ml=1cm3
7. Calculate the densities of the following objects. Remember to place units after each number.
a. Object A length = 6cm width = 3cm height = 1cm mass = 36g
i. volume = _____ density = _____
b. Object B length = 10cm width = 5cm height = 2cm mass = 300g
i. volume = _____ density = _____
c. Object C Use the water displacement method to determine the density of object C (silly
putty). Initial water level in graduated cylinder = 25ml. Final water level after placing
silly putty into graduated cylinder = 29ml. Mass of silly putty=8g
i. volume = _____ density = _____
8. Which of the following materials will float on water (density 1 g/ml)?
a. air = .001 g/cm3
b. corn oil = .93 g/cm3
c. glycerine = 1.26 g/cm3
Name:_____________________________________________ Date:_______________ TB:________
d. corn syrup = 1.38 g/cm3
e. wood = .85 g/cm3
f. steel = 7.81 g/cm3
g. rubber = 1.34 g/cm3
h. ice = .92 g/cm3
i. water = 1.00 g/cm3
9. Calculate the density of each of the following:
a. 252 mL of a solution with a mass of 500. g
b. 252 mL of a solution with a mass of 500 g
c. A 6.75 g solid with a volume of 5.35 cm3
d. 50.0 mg of a gas which occupies a volume of 0.0064 L
e. A substance with a mass of 7.55 x 104 kg and a volume of 9.50 x 103 L
10. Calculate the volume of each of the following:
a. 26.5 g of a solution with a density of 7.48 g/mL
b. A 3.400 kg solid with a density of 10.74 g/L
11. Calculate the mass of each of the following:
a. A solid with a volume of 1.68 cm3 and a density of 9.2 g/mL
b. An 80 mL graduated cylinder of a solution with a density of 5.80 g/cm3
c. A solid with a density of 2.65 g/mL and dimensions of 2.5 cm x 2.5 cm x 2.5 cm