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WorksheetsMass Volume Density Buoyancy
Total questions: 21
Worksheet time: 16mins
Name
Class
Date
1.
Density is defined as...
a)
Centimeters cubed per mass of substance
b)
Mass per unit volume of a substance
c)
Flow rate of a substance
2.
The formula for density is...
a)
mass/ acceleration
b)
volume/ mass
c)
mass/ volume
d)
none
3.
How do we calculate density? (with correct units!)
a)
ρ = m/v (in g/mL or g/cm3)
b)
ρ = v/m (in g/mL or g/cm2)
c)
ρ=m/v (in mL/g or cm3/g)
4.
Buoyancy is the tendency for objects to float in a fluid. We consider buoyancy the...
a)
Un-gravity force
b)
Anti-gravity force
c)
Gravitational pull
d)
Downwards pull on an object
5.
True or False: Buoyancy is an upwards force measured in Newtons.
a)
True
b)
False
6.
Archimedes' Principle states that...
a)
The buoyant force acting on an object equals the volume of the fluid displaced by the object.
b)
The buoyant force acting on an object equals the weight (force of gravity) of the fluid displaced by the object.
c)
The buoyant force acting on an object will always be equal.
7.
Which will result in positive buoyancy?
a)
When the buoyant force is greater than the force of gravity
b)
When the buoyant force is equal to the force of gravity
c)
When the buoyant force is less than the force of gravity
8.
How could you make plastic sink and steel float?
a)
You can't
b)
Change the shape and therefore surface area
c)
Remove some mass
9.
What is buoyant force?
a)
An upward force exerted by fluids on an object.
b)
An downward force exerted by fluids on an object.
10.
An empty water bottle floating on the water is an example of....
a)
positive buoyancy
b)
negative buoyoncy
11.
Water is the only fluid that can provide buoyancy.
a)
true
b)
false
12.
Which of the following is a true statement?
a)
A rowboat has positive buoyancy
b)
A cork has negative buoyancy
c)
A brick has positive buoyancy
d)
A penny has neutral buoyancy
13.
If two objects are made of the same substance and have the same mass, the shape of the object determines whether or not it sinks or floats in a fluid.
a)
True
b)
False
14.
If this substance takes up 6ml of space, what is its mass?
a)
6 ml
b)
6 grams
c)
0 grams
d)
4 grams
15.
Which graph correctly represents the relationship between mass and volume?
a)
A
b)
B
c)
C
d)
D
16.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
17.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
18.
True or false... "mass" is the exact same thing as "weight"?
a)
True
b)
False
19.
What happens when you heat a gas?
a)
It gains mass.
b)
It loses mass.
c)
It increases in volume.
d)
It decreases in volume.
20.
The density of water is about 100 kg/m3 at room temperature.
a)
true
b)
false
21.
Hot air is less dense than cold air
a)
true
b)
false
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