CBSE Class 5 Science Sample Paper Annual Examination Class-V Time: 2:30 hour/M.M.-80 Sub- Science All questions are compulsory. 1- Tick the correct.(10) i) How many classes does the lever have? a) 1 b) 2 c)  3 ii) The content of nitrogen in the air is a) 21% b) 78% c) 34% iii) Nothing can burn … Continue reading CBSE Class 5 Science Sample Paper