WorksheetsDensity and Pressure
Total questions: 10
Worksheet time: 20mins
Buoyant depends on __________.
mass
volume
density
pressure
Density of sea water depends on __________ and concentration of salt.
pressure
temperature
force
surface area
Which material will float on water?
Kerosene, Density = (0.7 g/cm3)
Mercury, Density = (13.6 g/cm3)
Iron, Density = (7.9 g/cm3)
Brick, Density = (1.84 g/cm3)
Which material will sink in water?
Kerosene, Density = (0.7 g/cm3)
Wood, Density = (0.85 g/cm3)
Cooking oil, Density = (0.9 g/cm3)
Copper, Density = (8.9 g/cm3)
__________ is the SI unit for pressure.
g/cm3
m
cm
N m-2
The Earth is surrounded by a layer of air called __________.
water
atmosphere
glass
pressure
__________ uses the concept of air pressure.
Waterfall
Snow
Rain
Vacuum cleaner
Pressure is affected by two factors, the force applied and _____.
density
temperature
surface area
gravity
Which of the following tools reduce surface area in contact to increase pressure?
Knife
Tractor
Backpack
Ski board
Which of the following tools increase surface area in contact to reduce pressure?
Hammer
Skating boots
Football shoes
Vehicle with wide tyres
