Tamil Nadu Board - Class 7

Scientific Principles question bank (Science (அறிவியல்))

Practice 377 free Tamil Nadu Board - Class 7 Science (அறிவியல்) - Scientific Principles questions with answers and step-by-step solutions.

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Q1.

Forces and Pressure: What happens to liquid pressure with depth in 'Measurement and Motion'?


(A)
Liquid pressure increases directly with depth ($P = h\rho g$) (Measurement and Motion)
(B)
Decreases to zero
(C)
Remains constant
(D)
None of these
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Q2.

Chemical Reactions: Which type of chemical change is observed in 'Measurement and Motion'?


(A)
Chemical reaction leading to new substance formation with energy change (Measurement and Motion)
(B)
Purely temporary physical change
(C)
No change
(D)
None of these
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