WorksheetsAS Physics Pre reading 10th Nov
Total questions: 11
Worksheet time: 11mins
Name
Class
Date
1.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
2.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
3.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
4.
On what factors does upthrust offered by the liquid depend on?
a)
Density of the liquid
b)
Density of the object
c)
Volume of the liquid displaced
d)
None
5.
Which type of fluid flow is smooth, and predictable?
a)
Turbulent
b)
Viscous
c)
Laminar
d)
Inertial
6.
All fluids are:
a)
gases
b)
liquids
c)
gases or liquids
d)
non-metallic
7.
Liquids with very high viscosity flow very _______________________.
a)
fast
b)
not at all
c)
slow
d)
whenever it wants
8.
The best example of high viscosity would be?
a)
Honey
b)
Soap
c)
Marbles
d)
Water
9.
Which of these factors affects Viscosity?
a)
Temperature
b)
Colour
c)
Taste
10.
Which greek letter represents the coefficient of viscosity?
(a)
11.
Streamlines that are closer together indicate that the fluid is
a)
Densest at that point
b)
Slowest at that point
c)
Fastest at that point
d)
Stationary at that point
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