National Science Olympiad Forum By SOF Olympiad Trainer - Page 27

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 6

Sarita wanted to choose a material to make an umbrella. She performed an experiment to find out which material P, Q, R or S is best suited to make an umbrella. She poured 100 mL of water over each of the materials as shown in the diagram. She measured the amount of water collected in the container after 1 minute. Which material is best suited to make an umbrella?


AMaterial-P Amount of water in container-60 mL
BMaterial-Q Amount of water in container-90 mL
CMaterial-R Amount of water in container-0 mL
DMaterial-S Amount of water in container-15 mL


Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Ok

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 8

An oil spill covered a large area of water in an ocean. The marine life in that area was badly affected. A lot of marine animals were found dead and floating on the surface of the water. This is because ____________.
(i) They drank the water that was contaminated by the oil
(ii) The fish swallowed the oil and were poisoned
(iii) Eutrophication caused as a result of oil spill leads to depletion of oxygen in water body.

A (ii) only
B (i) and (ii) only
C (ii) and (iii) only
D (i), (ii) and (iii)


Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer