CBSE Science Class 7

Motion and Time

Motion and Time - Chapter Wise CBSE Solved Question and Answer Based On NCERT

Very Short Q&A:

Q1: The basic unit of speed is
  1. Km/ min
  2. m/ min
  3. Km/ sec
  4. m/ sec
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Q2: A faster moving object covers more distance in _________ time.
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Q3: Speed = Distance/ Time. True/ False
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Q4: What is the SI unit of distance?
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Q5: Name an object that shows oscillatory motion.
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Q6: What is the motion of our hands while running?
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Q7: What is the motion of a child in a merry-go-round?
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Q8: The time period of a given pendulum is not constant.True/ False
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Q9: What is motion?
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Q10: What is circular motion?
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Q11: If the speed of an object keeps changing in equal interval of time, while moving along a straight line, its motion is said to be ___________________.
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Q12: The to and fro motion of an object from the position of rest is called a___________________.
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Q13: One complete to and fro motion of a pendulum from rest position is called one______________.
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Q14: Give an example of vibratory motion.
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Q15: Name the device on vehicles to track the distance covered.
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Q16: The basic unit of time is _________.
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Q17: Define average speed.
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Q18: What do you mean by the statement; “car is moving with the speed of 50 Km per hour”?
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Q19: Define uniform motion.
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Q20: Define non- uniform motion.
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Q21: The metallic ball in pendulum is called __________ of the pendulum.
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Q22: Give an example of oscillatory motion.
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Q23: The symbol of all units is written in _________________.
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Q24: ________________motion may be along a straight line or along a curved path.
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Q25: Motion along a curved path is called _______________.
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Q26: Name the device used to measure speed.
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Q27: What type of graph is used to represent motion of an object?
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Q28: For a body in non-uniform motion, the graph is not a straight line. True/ False.
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Q29: The working of a pendulum clock is based on the __________________ of its pendulum.
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Q30: Motion of the hammer of an electric bell is ___________________ motion.
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Chapter 13 Motion and Time