Class 7

Motion and Time question bank (Science)

Practice 57 free Class 7 Science - Motion and Time questions with answers and step-by-step solutions.

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Q1.

A car travels a distance of $180\text{ km}$ in $3\text{ hours}$ and $20\text{ minutes}$. What is its average speed in $\text{km/h}$?


(A)
$54\text{ km/h}$
(B)
$60\text{ km/h}$
(C)
$45\text{ km/h}$
(D)
$50\text{ km/h}$
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Q2.

In the chapter 'Motion and Time', which scientific principle governs 'Speed = Distance / Time Calculations'?


(A)
Superstition and myth
(B)
Empirical evidence, conservation laws, and repeatable experimental observations in Speed = Distance / Time Calculations
(C)
Aristotelian unverified claims
(D)
Random molecular movement without thermodynamics
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