DENSITY PROBLEMS AND QUESTIONSName
Volume units: cm3 or mL Volume: L x W x H
Mass units: grams (g)
Density units: g/mL or g/cm3Block
Please Show All Calculations/ Work for full credit. Use only significant figures.
1.What is the formula for density?
2.What is the definition for density?
3.What are the units for density most commonly used in class?
4.What is the density of a 15 cm3 block of wood that has a mass of 3 g?
5.What is the volume of a liquid that has a mass of 10 g and a density of 1.5 g/cm3?
6.What is the mass of an object that has a density of 20 g/cm3 and a volume of
10 cm3?
7.The following beakers contain mercury. Answer the following questions by referring to the diagram.
a.Which system has a greater mass?
b.Which system has a greater volume?
c.Which system has a greater density?
Please explain your answer to c.
8.Picture in your mind 10,000 grams of bricks and 10,000 grams of feathers. Answer the following questions about your bricks and feathers.
a.Which has a greater mass?
b.Which has a greater volume?
c.Which has a greater density?
Please explain your answer to c.
9.You're helping your dad bake cookies. He asks you to get him 43.5 cm3 of butter. You can't find a ruler, however, so you have to use your triple beam balance. How many grams of butter will you give your dad? Butter has a density of .87 g/cm3.
10.A typical coffee can holds 1,360 grams of ground coffee. If ground coffee has a density of .5 g/cm3, how much volume does the coffee occupy?
11.You're given a cube for your birthday that is 3 cm on a side. It has a mass of
521.1 g. What is the density of the cube?
12.You're stranded in the middle of the desert. You have a rectangular jar full of some kind of liquid, but you need to know what the liquid is before you drink it. The jar has a mass of 288 grams (assume the material the jar is made of is weightless) and the dimensions of the jar are: 12 cm x 12 cm x 2 cm. Just your luck you remembered to bring your calculator with you into the desert. Using the information you are given determine the density of the liquid.
Density =
Would you dare to drink this liquid? Why or why not?
13.Explain why the density of a candy bar does not get smaller as the candy bar is eaten therefore its mass and volume get smaller.
14.The word dense or density is not only used in science. Write two sentences as examples from the "real world" where the word dense or density is used.
1.
2.
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