Class 7 Science

Chapter 13: Motion and Time

MCQs and Practice Worksheet

Part A: Multiple Choice Questions (MCQs)

Q1. An object is said to be in motion when it:

A. Is at rest
B. Changes its position with time
C. Is heavy
D. Stops moving

Answer: B

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Q2. Which of the following shows rectilinear motion?

A. Swing of a pendulum
B. Rotation of a fan
C. A car moving on a straight road
D. Earth revolving around the Sun

Answer: C

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Q3. Motion which repeats itself at equal intervals of time is called:

A. Circular motion
B. Rectilinear motion
C. Random motion
D. Periodic motion

Answer: D

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Q4. Speed is defined as:

A. Time ÷ Distance
B. Distance ÷ Time
C. Distance × Time
D. Time × Speed

Answer: B

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Q5. The SI unit of speed is:

A. km/h
B. m/min
C. m/s
D. cm/s

Answer: C

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Q6. Which instrument is used to measure short time intervals?

A. Wall clock
B. Calendar
C. Stopwatch
D. Sundial

Answer: C

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Q7. A straight line on a distance–time graph shows:

A. Non-uniform motion
B. Circular motion
C. Uniform motion
D. No motion

Answer: C

Part B: Practice Worksheet

1. Fill in the blanks:

• Change in position with time is called __________.
• Speed = __________ ÷ __________.
• The SI unit of speed is __________.
• Motion in a circular path is called __________ motion.

2. Very Short Answer:

(a) Define motion.
(b) Name one instrument used to measure time.
(c) What type of motion is shown by a swinging pendulum?

3. Short Answer:

(a) What is speed?
(b) Write the formula for speed.
(c) Name any two types of motion.

4. Long Answer:

Explain different types of motion with examples.

Answer Key (For Teachers & Parents)

Fill in the blanks:

• Motion
• Distance, Time
• m/s
• Circular

Very Short Answers:

• Change in position of an object with time
• Stopwatch
• Periodic motion

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Shaktimatha CBSE Learning
Class 7 Science – Chapter 13: MCQs & Worksheet

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