tr, Roll Number
Name
INDIAN SCHOOL MUSCAT MIDDLE SECTION FIRST PERIODIC TEST. 2018.1 9 SCIENCE
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@ ilABET
SET A
Code: MZSC1
1
CLASS: Vlll
Time Allotted: 40 minutes.
27.05.2018
Max.Marks: 20 Marks obtained:
General lnstructions: 1. All questions are compulsory. 2. All answers should be written in the space provided in the question paper. SECTION. A Q.NO
FILL IN THE BLANKS
both
Marks
1
Force has
2
To draw water from a well we have
3
The wear and tear of the machine parts is due to
1
4
Gases and liquids are together called
1
--..--and direction
1
to
at the rope.
1
STATE WHETHER TRUE OR FALSE
5 6 7 8
Spring balance is used to measure friction.
( Answer
Friction always opposes the motion
( Answer
_)
The unit of force is Kg.
( Answer
_)
The pressure exerted per unit area is called Force
( Answer
_)
MULTIPLE CHOICE QUESTIONS As we go to the higher altitude the atmospheric pressure ( Answer t-) a) increases b) decreases c) remains the same d) none of these 10
11
12
called
The force between two charged bodies is a) Muscular b) Gravitational force c) Magnetic
force
lf we apply oil on hinges, the friction will a) increase b) decrease c) disappear
altogether
What does the force of friction depend on? a) only weight b) only nature of surface c) both a &
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:
)
( Answer d) Electrostatic force.
force
b
( Answer :
_)
1
1
1
d) remain unchanged
)
( Answer :
1
d) neither a nor b
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Code: MZSC1
1
ffi'
SECTION B ANSWER lN OIIIE W9RD OR lN ONE SENTENCE Why is muscular force called contactforce?
Why do kabaddi players rub their hands with soil?
What are lubricants? Name one solid tubricant.
Cutting edge of a knife is made sharp. Wry?
ANSWER THE FOLLOWNG IN TWO SENTENCES Calculate the pressure produced by a force of 800 Nacting on an area of 25 m2.
What is drag? State three factors on which it depends?
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2
Code: MZSC|
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