SilverZone - IOS PDF Sample Papers for Class 8

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Class 8 sample paper & practice questions for International Olympiad of Science (IOS) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.

Sample Questions from Olympiad Success:

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	Complete the series:- ZA5 YB4 XC6 WD3 _____.
a)	E7V
b)	V2E
c)	VE5
d)	VE7

Q.2	Choose the correct statement among the following. (NSO, 2013)
a)	The substances which vapourise during burning, do not give flames.
b)	The substances which have a very high ignition temperature are called flammable substaces.
c)	When the match is struck against the rubbing surface, some red phosphorus gets converted into white phosphorus.
d)	The job of a fire extinguisher is to cut off the supply of carbon dioxide, and hence the fire is controlled.

Q.3	Cans used for storing food are electroplated. What is the material used for electroplating?
a)	Chrome onto tin
b)	Iron onto tin
c)	Tin onto iron
d)	Chrome onto iron

Q.4	Which of the following statements is correct?
a)	Repulsion is a sure test of friction
b)	Repulsion is a sure test of electrification.
c)	Repulsion is a sure test of conduction.
d)	Repulsion is a sure test of induction.

Q.5	Spot the odd one out.
a)	Street
b)	Freeway
c)	Interstate
d)	Expressway

Q.6	Rubber and coconut belongs to the category of _________.
a)	Oil crop
b)	Sugar crop
c)	Fibre crop
d)	Plantation crop

Q.7	What happens when electric current is made to flow through a conductor?
a)	Some amount of electrical energy is converted into heat energy.
b)	Some amount of electrical energy is converted into mechanical energy.
c)	Some amount of mechanical energy is converted into electrical energy.
d)	Some amount of heat energy is converted into electrical energy.

Q.8	Earthquakes can occur because of ________. (NSO, 2013)
a)	Movement of tectonic plates
b)	Volcanic eruption
c)	Mine blasts
d)	All of these

Q.9	Which set up is to be developed by Agra heritage fund to meet the energy needs of Taj Mahal?
a)	Wind mill
b)	Electrical transformer
c)	Nuclear plant
d)	Solar power plant

Q.10	In a bangle shop, if the shopkeeper displays the bangles in the form of a square, he is left with 38 bangles. If he wants to increase the size of square by one unit each side of the square he found that 25 bangles fall short of in completing the square. The actual number of bangles which he had with him in the shop was _______. (NSO, 2012)
a)	1690
b)	999
c)	538
d)	Can't be determined