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PV Density
Test Description: Density
Instructions: Answer all questions to get your test result.
1) What is density?
A
The amount of matter in an object.
B
How tall an object is.
C
The amount of space an object takes up.
D
How tightly matter is packed into an object.
2) If a cube has a density of 50, and you cut the cube in half, what is the density of the new cube?
A
50 g/cm3
B
25 g/cm3
C
100 g/cm3
D
15 g/cm3
3) What is the density of water?
A
4 g/cm3
B
-1 g/cm3
C
2 g/cm3
D
1 g/cm3
4) Calculate the density of the following object with a mass of 120g and a volume of 30mL.
A
1200 g/cm3
B
40 g/cm3
C
60 g/cm3
D
4 g/cm3
5) Calculate the density of an object with a mass of 50g and a volume of 5mL.
A
1 g/cm3
B
250 g/cm2
C
10 g/cm3
D
25 g/cm2
6) What is the correct formula for density?
A
none of the above
B
d= mass X volume
C
d= volume/mass
D
d= mass/volume
7) If an element has a density of 47.5 g/cm3, will it sink or float in water?
A
the object will float right under the surface of the water.
B
the object will float in the middle.
C
the object will sink to the bottom.
D
the object will float on top of the water.
8) Calculate the density of an object with a mass of 10 g and a volume of 40mL.
A
.25 g/cm3
B
4 g/cm3
C
400 g/cm3
D
40 g/cm3
9) Why does an air bubble rise to the surface of a glass of water?
A
The water i a thicker substance.
B
The air is more dense than the water.
C
The air is less dense as the water.
D
The air has the same density as the water.
10) What is the formula for volume?
A
v=mass/density
B
we have not learned that.
C
v= density/mass
D
v= mass x density
*select an answer for all questions
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