WorksheetsY8 Pressure (and a bit of density!)
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
2.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
3.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
4.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
5.
Why won't you sink in mud if you wear boots?
a)
Because the surface area is larger creating less pressure.
b)
Has air in it to keep you floating.
c)
Because the mud won't want you.
6.
Pressure can be measured in Pascals (Pa) or Newtons per square metre.
1 Pa = 1N/m2
1 Pa = 1N/m2
a)
True
b)
False
7.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
A calf with big feet
d)
A calf with small feet
8.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
9.
What two types of measurements make up DENSITY?
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
10.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
100 %
