# Density Quiz ```Name:_________________________ Date:_________________ Per. ____
Density Quiz
1. What two things do you have to know to find the density of an object?
2. What is the density of a box with mass of 8 kg and volume of 4 cm3?
3. The box below has a mass of 18 g. What is its density?
1 cm
3 cm
1 cm
4. The picture below shows a graduated cylinder on an electric balance with and without liquid. What is
the density of the liquid in grams per milliliter (g/mL)?
25 g
73 g
5. A 25 g rock is put into a 10 mL graduated cylinder that already has liquid in it (see below), and the
water level goes up. What is the density of the rock?
***Use the chart below to answer #6 and #7***
Liquid
Density
Chloroform
1.49 g/mL
Alcohol
0.79 g/mL
Gasoline
0.67 g/mL
Water
1.00 g/mL
6. If you pour all the liquids into a container, they will not mix. Which liquid will FLOAT TO THE TOP
of all the others? How do you know?
7. Butter has a density of .86 g/mL. Using the chart above, which of the liquids would butter FLOAT in?
8. The following table shows properties of four different sample materials. One of these materials is
cork, a type of wood that floats in water. (Water has a density of 1.00g/mL)
Given that the density of water is 1 g/mL, which of the samples is
MOST likely cork? Why?
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