In the gear system shown below, the driver's wheel is turned anti-clockwise. Which one of the following identifies the correct direction of rotation for Gear Aand&nbs...
Olympiad tester
CEO - P Sanghamitra
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Olympiadtester is an online library of study material (online tests, global assessments, pdf worksheets, sample papers and flashcards) for Olympiad exam preparation, CBSE, Vocabulary, Reasoning, G.K and foreign languages.
We also have a huge collection of brain games and puzzles for kids.
We also have a huge collection of brain games and puzzles for kids.
Posts made by Olympiad tester
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Question #77posted in Science Olympiad
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Question #76posted in Science Olympiad
The diagram below shows 3 wheel and axle systems being used to lift up a similar object of mass 5 kg.The diameters of the axles are the same but the diameters of the wheels are different. E1,...
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Class 4 NSO Science Olympiad - Higher Order Thinking Question - 19posted in Science Olympiad
Aram drilled equal-sized holes each at the base of 4 containers, P, Q, R and S and plugged each hole with plasticine. Then he filled each container with water and hung them on a beam as shown below...
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Class 4 NSO Science Olympiad - Higher Order Thinking Question - 18posted in Science Olympiad
Sameer set up an experiment,comprising of two similar ramps, A and B. Ramp A is placed at half the height of Ramp B.She then released two identical balls from the top of the two ramps at the same t...
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NSO HOT Question 113posted in Science Olympiad
Three iron balls A, B and C are balanced on a rod as shown below. The fulcrum is in the middle of the rod. Which of the following statements are correct?A: Ball B h...
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Question #75posted in Science Olympiad
In the graph shown below, Lines A and B, show the relationship between the distance moved by the effort and the distance moved by the load.Which types of pulley systems, do Lines&nbs...
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Question #74posted in Science Olympiad
Study the two types of pulley systems shown below. Which of the following statements about both machines are true?A Both contain a fixed pulley.B The effort and the load mo...
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NSO HOT Question 112posted in Science Olympiad
Jasleen squeezed 4 identical tubes of toothpaste from the same height above 4 different plates as shown below. The inital amount of toothpaste in each tube was the same. If Jasleen squ...
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NSO HOT Question 111posted in Science Olympiad
Jessica applied a force to an inflated balloon placed on a table. Which of the following are possible observations after she had applied the force?A The balloon burstB The m...
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Question #73posted in Science Olympiad
Balls A, B, C and D, which are of the same size but made of different materials are balanced on 3 different levers as shown below. Arrange the balls according to their weights in an ascending or...
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NSO HOT Question 110posted in Science Olympiad
Study the diagram below. Identical marbles were placed on the pan, one by one, and the following results were recorded. Number of marbles on pan 1 2 3 4 5 6 7 L...
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NSO HOT Question 109posted in Science Olympiad
The diagrams show 3 levers used to move the same stone. The efforts used are labelled F1, F2 and F3 on each lever. Which of the following comparisons about F1, F2 and F3 is correct?...
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Question #72posted in Science Olympiad
A rope snaps when a load of 50 kg is hung from it. The rope is used in all the pulley systems below and one end is tied to a metal bar. All the pulleys have a weight of 1 kg.In which of the above...
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NSO HOT Question 108posted in Science Olympiad
Karan carried out an experiment to find out the number of times the key to a toy car is turned and the distance it travelled. He placed the car at the same starting point, S each time. The t...
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NSO HOT Question - 101posted in Science Olympiad
In the diagram below, the man is moving a crate over a cement floor in the direction as indicated by the arrow. What can he do to move the crate using less force? Place the crate on wheels. Ap...
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NSO HOT Question - 100posted in Science Olympiad
Which of the following shows the effects of a pushing force only? Closing the cap of a pen Peeling off the peel of an orange Food moving through the intestines Stapling a stack of papers toge...
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NSO HOT Question - 99posted in Science Olympiad
Lizzy wanted to set up an experiment to find out how many pieces of paper (rolled into a tube as shown below) is needed to support the mass of the book without being squashed. Identify the indepen...
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NSO HOT Question - 98posted in Science Olympiad
Mehul wanted to find out what the elastic limit of a spring is.He performed an experiment in his school laboratory. He added weights to the spring till the spring reached its elastic limit. He real...
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NSO HOT Question - 97posted in Science Olympiad
Vinod wanted to find out how the time taken for a marble to roll down a slope will be affected by the texture of the surface. He set up an experiment shown below. He tabulated the results in the ...
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NSO HOT Question - 96posted in Science Olympiad
The following diagram shows four balls of the same mass hanging from a structure.Which of the following sentences on the set-up above is true? All the balls have no gravitational force acting on...
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NSO HOT Question - 95posted in Science Olympiad
The diagram below shows a piece of iron hung on a spring. A magnet is placed directly under the iron.Which of the following forces are acting on the iron? frictional force gravitational force ...
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NSO HOT Question - 94posted in Science Olympiad
When a force is applied to an object that is stationary, which of the following will not happen? The object moves. The objects rotates. The object remains stationary. The object increases in ...
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NSO HOT Question - 93posted in Science Olympiad
2 identical tennis balls, P and Q, are rolling along a marble floor at different speeds as shown below.Which of the following will be observed immediately after P collides into Q? P moves toward...
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