WorksheetsDensity Quiz
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which of the following is true of the buoyant force?
a)
It acts in the downward
direction.
b)
It acts with the force of
gravity
c)
It acts in the upward
direction.
d)
It makes an object feel heavier.
2.
What effect does a buoyant force have on a submerged object?
a)
It causes the object
to sink in a fluid.
b)
It causes a net force
acting upward on the object.
c)
It causes the object to
move sideways in a fluid.
d)
It causes a net force
acting downward on the object.
3.
If an object floats, the volume of displaced water is equal to the volume of
a)
the entire object
b)
the portion of the object
that is above water.
c)
the portion of the object
that is submerged.
d)
exactly half of the object.
4.
A ship stays afloat as long as the buoyant force is
a)
less than the ship’s
weight.
b)
equal to the ship’s weight.
c)
less than the ship’s
speed.
d)
greater than the ship’s speed.
5.
When water fills a submarine’s flotation tanks, the overall density of the submarine
a)
deceases
b)
stays the same
c)
increases
d)
reduces the buoyant force
6.
The mass per unit volume of a substance is its
a)
density
b)
buoyancy
c)
weight
d)
fluid pressure
7.
An object that is more dense than the fluid in which it is immersed will
a)
sink
b)
rise
c)
neither rise nor sink
d)
sink at first, than rise slowly
8.
Which of these substances is the LEAST dense?
a)
wood
b)
copper
c)
murcury
d)
rubber
9.
The buoyant force acts in the direction opposite the force of _____________________.
a)
dense
b)
gravity
c)
buoyant force
d)
the jedi
10.
A block of wood is placed in a jar of water. According to Archimedes’ principle, the ____________________ on the block is equal to the weight of the displaced fluid.
a)
dense
b)
gravity
c)
buoyant force
d)
mass
11.
Chocolate syrup sinks in milk because chocolate syrup is more ____________________ than milk.
a)
dense
b)
gravity
c)
yummy
d)
buoyant
12.
A wooden block floats both in water, which has a density of 1.0 g/cm3, and in corn oil, which has a density of 1.38 g/cm3. Less of the wooden block will be submerged in the ________________.
a)
corn oil
b)
water
13.
What is the formula for density?
a)
D= Volume/ Distance
b)
D= Distance/ Mass
c)
D= Volume/ Mass
d)
D = Mass/ Volume
14.
Which is most dense?
a)
Milk
b)
Golden Syrup
c)
Vegetable Oil
d)
Purple water
15.
Which is least dense?
a)
A
b)
B
c)
C
100 %
