 Density Mass Volume
a year ago
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Practice 20 QuestionsShow answers
• Question 1
30 seconds
Q. Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
7 mL
7 g/cm3
28 g/cm3
1/7 g/cm3
• Question 2
60 seconds Q. I have two objects with the same volume but different masses.  Which object will be more dense?
The object with less weight.
The object with more weight.
The object with more mass.
The object with less mass.
• Question 3
30 seconds
Q. What is the formula for density?
density = mass x volume
density = mass / volume
density = mass + volume
density = mass - volume
• Question 4
900 seconds
Q. Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
8 g/cm3
2 g/cm3
1/2 g/cm3
24 g/cm3
• Question 5
60 seconds
Q. Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
3 g/cm3
1/3 g/cm3
27 g/cm3
39 g/cm3
• Question 6
30 seconds
Q. A block has a mass of 54g and a volume of 20cm3.  What is the density of the block?
74 g/cm3
1080 g/cm3
34 g/cm3
2.7 g/cm3
• Question 7
30 seconds
Q. Why do ice cubes float in a  glass of water?
the ice cubes are more dense than the water
the water is more dense than the ice cubes
the water is more dense than the glass
the ice is more dense than the glass
• Question 8
30 seconds
Q. The following liquids are poured together in a beaker: alcohol (density=0.79), corn syrup (density=1.38), water (density=1.0), and cooking oil (density=0.93).  Which of these liquids will sink to the bottom of the beaker?
alcohol
corn syrup
water
cooking oil
• Question 9
30 seconds
Q. Why do some substances float on water?
they are warmer than water
they are cooler than water
they are more dense than water
they are less dense than water
• Question 10
30 seconds
Q. A piece of copper has a mass of 89g and a volume of 10 cm3.  What would be the density of the copper?
0.89 g/cm3
89 g/cm3
8.9 g/cm3
890 g/cm3
• Question 11
30 seconds
Q. Helium balloons rise on earth because
helium is less dense than air
helium is more dense than air
helium is cooler than air
helium is warmer than air
• Question 12
30 seconds Q. Which liquid is the least dense?
oil
water
syrup
plastic bottle
• Question 13
30 seconds
Q. What is the density of water?
0 g/ml
1 g/ml
10 g/ml
100 g/ml
• Question 14
30 seconds
Q. What is the measuring unit for mass?
centimeter
millimeter
grams
pounds
• Question 15
30 seconds
Q. What units are used to measure Density?
cm3/g
g
g/cm3
cm3
• Question 16
30 seconds
Q. Volume is ...
Mass/Volume
The amount of matter in an object.
The amount of space an object occupies.
Anything that has mass and occupies space.
• Question 17
60 seconds
Q. Density is...
the amount of mass in an object
the amount of space an object takes up
the amount of mass in a given space
the weight of an object
• Question 18
30 seconds
Q. A crayon has a mass of 10g and volume of 5 mL. What is the density?
30 g/mL
15 g/mL
1 g/mL
2 g/mL
• Question 19
300 seconds
Q. Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.  (Hint: find the volume first!)
6 cm3
12 g/cm3
128 g/cm3
8  g/cm3
• Question 20
300 seconds
Q. If a block of wood has a density of 0.6 g/cm3 and a mass of 120 g, what is its volume?