Uploaded by Muhammad Saeed

Science Quiz for grade 8

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Science Quiz: Class VIII:
Chapter: Force & Pressure
1. What is the SI unit of force?
a. KG
Joule
b. Newton
kelvin
2. What is the SI unit of area?
a. Centimeter
b. Square meter
Milimeter
All
3. What is the SI unit of pressure?
a. Newton
KG
b. Joule
pascal (Pa)
4. The atmospheric pressure at sea level has a mean value of ...............pascals
a. 101,325
101,220
b. 101,100
101,322
5. Pressure increase when:
a. Volume decreases
b. forces decreases
Volume increases
None
6. _____is the force imparted per unit area of a liquid on the surfaces which it has
contact.
a. Pneumatic system
liquidation
b. Hydraulic system
None
7. Formula for Pressure is:
a. P=Force/work
b. P=F/V
P=F/K
P=F/A
8. pressure exerted by a 10 Newton force on 5 meter square area?
a. 10 pascal
5 pascal
b. 12 pascal
2 pascal
9. Continuous physical force exerted on or against an object by something in contact
with it, is called________
a. Volume
Force
b. Area
Pressure
10. The amount of space that a substance or object occupies, or that is enclosed within a
container, is called:
Area
Perimeter
Circumference
Volume
Answers:
1. Newton
2. Square meter
6. Hydraulic system 7. P = F/A
3. Pascal (Pa)
8. 2 pascal
4. 101,325
9. Pressure
5. Volume decreases
10. Volume
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