Class 6 Science Chapter 5 – Measurement of Length and Motion Practice Worksheet

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Practice Worksheet : Chapter 5 – Measurement of Length and Motion Class 6 Science

(CBSE Class 6 Science – Curiosity Book)

Class 6 Science – Chapter 5 Measurement of Length and Motion – Practice Worksheet

Complete Worksheet for Class 6 Science – Chapter 5: Measurement of Length and Motion (Curiosity Textbook).

Class Test/ Practice Worksheet– Chapter 5: Measurement of Length and Motion

Total Marks: 20
Time: 40 Minutes
Class: 6

Practice Worksheet SET – 1 (20 Marks) – Measurement of Length and Motion

Section A – MCQs (4 marks)

  1. Which unit is used to measure very small lengths?
    (a) metre (b) kilometre (c) millimetre (d) inch
  2. The motion of the blades of a fan is
    (a) linear (b) circular (c) oscillatory (d) random
  3. A kilometre stone shows distances in
    (a) metres (b) kilometres (c) centimetres (d) inches
  4. One metre is equal to
    (a) 10 cm (b) 100 cm (c) 100 mm (d) 1 km

Section B – Fill in the Blanks (4 marks)

  1. Measuring with body parts gives different readings because body parts are __________.
  2. The motion of a swing is an example of __________ motion.
  3. A thread can be used to measure the length of a __________ line.
  4. A scale must be placed __________ to the object while measuring.

Section C – True or False (4 marks)

  1. 1 cm = 10 mm
  2. A train running on a straight track shows circular motion.
  3. A reference point helps to identify the position of an object.
  4. A 15-cm scale cannot measure millimetres.

Section D – Short Answers (6 marks)

  1. Define linear motion. Give one example.
  2. What is the use of a flexible measuring tape?
  3. Why should the eye be placed exactly above the scale while measuring?

Section E – Long Answer (2 marks)

  1. Explain how to measure a curved line with the help of a thread.

ANSWER: SET – 1

Section A – MCQs (4 marks)

  1. Which unit is used to measure very small lengths?
    Answer: (c) millimetre
  2. The motion of the blades of a fan is
    Answer: (b) circular
  3. A kilometre stone shows distances in
    Answer: (b) kilometres
  4. One metre is equal to
    Answer: (b) 100 cm

Section B – Fill in the Blanks (4 marks)

  1. Measuring with body parts gives different readings because body parts are __________.
    Answer: different in size
  2. The motion of a swing is an example of __________ motion.
    Answer: oscillatory
  3. A thread can be used to measure the length of a __________ line.
    Answer: curved
  4. A scale must be placed __________ to the object while measuring.
    Answer: parallel

Section C – True or False (4 marks)

  1. 1 cm = 10 mm
    Answer: True
  2. A train running on a straight track shows circular motion.
    Answer: False
  3. A reference point helps to identify the position of an object.
    Answer: True
  4. A 15-cm scale cannot measure millimetres.
    Answer: False

Section D – Short Answers (6 marks)

  1. Define linear motion. Give one example.
    Answer: Movement in a straight line is linear motion. Example: Car moving on a straight road.
  2. What is the use of a flexible measuring tape?
    Answer: It is used to measure curved or round objects like a waist, chest or cloth.
  3. Why should the eye be placed exactly above the scale while measuring?
    Answer: To avoid parallax error and ensure the reading is correct.

Section E – Long Answer (2 marks)

  1. Explain how to measure a curved line with the help of a thread.
    Answer: Place the thread along the curved line, marking the points. Straighten the thread and measure its length using a scale.

SET – 2 of Chapter: Measurement of Length and Motion Practice Worksheet

Section A – MCQs (4 marks)

  1. Which of the following is a standard unit of length?
    (a) handspan (b) arm length (c) metre (d) foot
  2. The motion of a pendulum is
    (a) curved (b) oscillatory (c) circular (d) random
  3. 1 km =
    (a) 100 m (b) 1000 m (c) 10 m (d) 10,000 m
  4. Which tool is best for measuring the height of a room?
    (a) 15 cm scale (b) metre scale (c) ruler (d) thread

Section B – Fill in the Blanks (4 marks)

  1. The SI unit of length is __________.
  2. Measuring tapes used by tailors are made of __________ material.
  3. A ball falling from a tree shows __________ motion.
  4. Changing position with respect to a reference point indicates __________.

Section C – True or False (4 marks)

  1. The motion of a ceiling fan is linear.
  2. Standard units help in avoiding confusion.
  3. A broken scale cannot be used in any situation.
  4. Objects that do not change position with time are at rest.

Section D – Short Answers (6 marks)

  1. Why do we need standard units?
  2. What is circular motion? Give one example.
  3. Explain the use of kilometre stones.

Section E – Long Answer (2 marks)

  1. Describe how you would measure the height of your friend correctly.

ANSWERS: SET – 2

Section A – MCQs (4 marks)

  1. Which of the following is a standard unit of length?
    Answer: (c) metre
  2. The motion of a pendulum is
    Answer: (b) oscillatory
  3. 1 km =
    Answer: (b) 1000 m
  4. Which tool is best for measuring the height of a room?
    Answer: (b) metre scale

Section B – Fill in the Blanks (4 marks)

  1. The SI unit of length is __________.
    Answer: metre
  2. Measuring tapes used by tailors are made of __________ material.
    Answer: flexible
  3. A ball falling from a tree shows __________ motion.
    Answer: linear
  4. Changing position with respect to a reference point indicates __________.
    Answer: motion

Section C – True or False (4 marks)

  1. The motion of a ceiling fan is linear.
    Answer: False
  2. Standard units help in avoiding confusion.
    Answer: True
  3. A broken scale cannot be used in any situation.
    Answer: False
  4. Objects that do not change position with time are at rest.
    Answer: True

Section D – Short Answers (6 marks)

  1. Why do we need standard units?
    Answer: Standard units ensure uniformity and accuracy in measurements.
  2. What is circular motion? Give one example.
    Answer: Motion in a circular path. Example: Blades of a fan.
  3. Explain the use of kilometre stones.
    Answer: They show distances to cities and help travellers know how far they have travelled.

Section E – Long Answer (2 marks)

  1. Describe how you would measure the height of your friend correctly.
    Answer: Make your friend stand straight against a wall, place a book on their head horizontally, mark the point, and measure from floor to the mark using a measuring tape.

Practice Worksheet SET – 3 – Measurement of Length and Motion

Section A – MCQs (4 marks)

  1. Which unit is bigger?
    (a) m (b) cm (c) mm (d) inch
  2. Motion of a merry-go-round is
    (a) circular (b) oscillatory (c) linear (d) fixed
  3. A scale’s smallest division is usually
    (a) 1 cm (b) 1 mm (c) 1 metre (d) 10 cm
  4. A non-flexible device among the following is
    (a) ruler (b) tape (c) cloth tape (d) thread

Section B – Fill in the Blanks (4 marks)

  1. A kilometre is used to measure __________ distances.
  2. __________ motion repeats after regular intervals.
  3. The point from which distance is measured is called __________.
  4. The thickness of a coin is best measured in __________.

Section C – True or False (4 marks)

  1. 1 metre = 1000 centimetres.
  2. Measuring body parts gives accurate results.
  3. A thread can help measure curved distances.
  4. A person sitting in a moving bus is at rest relative to the bus.

Section D – Short Answers (6 marks)

  1. Mention two precautions while using a scale.
  2. What is periodic motion? Give one example.
  3. How can you measure the length of a curved boundary?

Section E – Long Answer (2 marks)

  1. Explain the difference between rest and motion with examples.

ANSWERS: SET – 3

Section A – MCQs (4 marks)

  1. Which unit is bigger?
    Answer: (a) m
  2. Motion of a merry-go-round is
    Answer: (a) circular
  3. A scale’s smallest division is usually
    Answer: (b) 1 mm
  4. A non-flexible device among the following is
    Answer: (a) ruler

Section B – Fill in the Blanks (4 marks)

  1. A kilometre is used to measure __________ distances.
    Answer: long
  2. __________ motion repeats after regular intervals.
    Answer: periodic
  3. The point from which distance is measured is called __________.
    Answer: reference point
  4. The thickness of a coin is best measured in __________.
    Answer: millimetres

Section C – True or False (4 marks)

  1. 1 metre = 1000 centimetres.
    Answer: False
  2. Measuring body parts gives accurate results.
    Answer: False
  3. A thread can help measure curved distances.
    Answer: True
  4. A person sitting in a moving bus is at rest relative to the bus.
    Answer: True

Section D – Short Answers (6 marks)

  1. Mention two precautions while using a scale.
    Answer: Keep scale parallel to object; place eye exactly above reading.
  2. What is periodic motion? Give one example.
    Answer: Motion repeating at equal intervals. Example: Pendulum.
  3. How can you measure the length of a curved boundary?
    Answer: Use a thread to trace the boundary, straighten the thread, and measure using a scale.

Section E – Long Answer (2 marks)

  1. Explain the difference between rest and motion with examples.
    Answer: An object that changes position shows motion (car). One that does not change position is at rest (bench).

SET – 4 Practice Worksheet Measurement of Length and Motion

Section A – MCQs (4 marks)

  1. The metric unit used for long distances is
    (a) cm (b) km (c) mm (d) inch
  2. The to-and-fro motion is
    (a) circular (b) linear (c) oscillatory (d) mixed
  3. A metre scale has
    (a) 10 cm (b) 50 cm (c) 100 cm (d) 200 cm
  4. Which is the smallest?
    (a) 1 cm (b) 1 mm (c) 1 m (d) 1 km

Section B – Fill in the Blanks (4 marks)

  1. Tailors use __________ for taking measurements.
  2. A ruler must touch the object __________ measuring.
  3. __________ is used to measure the position of a moving object.
  4. Motion of a car on a straight road is __________ motion.

Section C – True or False (4 marks)

  1. 1 mm = 0.1 cm
  2. Circular motion is never periodic.
  3. A reference point is needed to define position.
  4. Length of a table can be measured with a handspan accurately.

Section D – Short Answers (6 marks)

  1. Why is tape better than a ruler for measuring the chest size?
  2. Define circular motion.
  3. Explain how kilometre stones help travellers.

Section E – Long Answer (2 marks)

  1. Describe any two types of motion with examples.

ANSWERS: SET – 4

Section A – MCQs (4 marks)

  1. The metric unit used for long distances is
    Answer: (b) km
  2. The to-and-fro motion is
    Answer: (c) oscillatory
  3. A metre scale has
    Answer: (c) 100 cm
  4. Which is the smallest?
    Answer: (b) 1 mm

Section B – Fill in the Blanks (4 marks)

  1. Tailors use __________ for taking measurements.
    Answer: measuring tape
  2. A ruler must touch the object __________ measuring.
    Answer: while
  3. __________ is used to measure the position of a moving object.
    Answer: reference point
  4. Motion of a car on a straight road is __________ motion.
    Answer: linear

Section C – True or False (4 marks)

  1. 1 mm = 0.1 cm
    Answer: True
  2. Circular motion is never periodic.
    Answer: False
  3. A reference point is needed to define position.
    Answer: True
  4. Length of a table can be measured with a handspan accurately.
    Answer: False

Section D – Short Answers (6 marks)

  1. Why is tape better than a ruler for measuring the chest size?
    Answer: Because tape is flexible and can bend around curved surfaces.
  2. Define circular motion.
    Answer: Motion in a circular path around a fixed point.
  3. Explain how kilometre stones help travellers.
    Answer: They show the distance covered and distance remaining.

Section E – Long Answer (2 marks)

  1. Describe any two types of motion with examples.
    Answer: Linear (car on road), Circular (Fan blades).

Practice Worksheet SET – 5 – Measurement of Length and Motion

Section A – MCQs (4 marks)

  1. 10 mm is equal to
    (a) 1 cm (b) 1 m (c) 1 km (d) 1 inch
  2. Measuring with handspan is
    (a) accurate (b) standard (c) non-standard (d) scientific
  3. Motion of a rolling ball on the floor is mostly
    (a) circular (b) oscillatory (c) linear (d) random
  4. The best tool to measure a curved line is
    (a) ruler (b) thread (c) stick (d) protractor

Section B – Fill in the Blanks (4 marks)

  1. __________ is the standard unit of length.
  2. The smallest marking on a 15-cm scale is __________.
  3. Motion of a fan blade is __________ motion.
  4. If an object does not change its position with time, it is said to be at __________.

Section C – True or False (4 marks)

  1. All motions repeat after regular intervals.
  2. Thread can be used for irregular boundaries.
  3. A metre scale is used to measure very small objects like a seed.
  4. A car moving along a straight road shows linear motion.

Section D – Short Answers (6 marks)

  1. State the relation between km, m, and cm.
  2. What is meant by a reference point?
  3. Give one example of linear, circular, and oscillatory motion.

Section E – Long Answer (2 marks)

  1. Explain the correct way to use a scale when its zero mark is broken.

ANSWERS: SET – 5

Section A – MCQs (4 marks)

  1. 10 mm is equal to
    Answer: (a) 1 cm
  2. Measuring with handspan is
    Answer: (c) non-standard
  3. Motion of a rolling ball on the floor is mostly
    Answer: (c) linear
  4. The best tool to measure a curved line is
    Answer: (b) thread

Section B – Fill in the Blanks (4 marks)

  1. __________ is the standard unit of length.
    Answer: metre
  2. The smallest marking on a 15-cm scale is __________.
    Answer: 1 mm
  3. Motion of a fan blade is __________ motion.
    Answer: circular
  4. If an object does not change its position with time, it is said to be at __________.
    Answer: rest

Section C – True or False (4 marks)

  1. All motions repeat after regular intervals.
    Answer: False
  2. Thread can be used for irregular boundaries.
    Answer: True
  3. A metre scale is used to measure very small objects like a seed.
    Answer: False
  4. A car moving along a straight road shows linear motion.
    Answer: True

Section D – Short Answers (6 marks)

  1. State the relation between km, m, and cm.
    Answer: 1 km = 1000 m, 1 m = 100 cm
  2. What is meant by a reference point?
    Answer: A fixed point used to determine the position of an object.
  3. Give one example of linear, circular, and oscillatory motion.
    Answer: Linear: Car. Circular: Fan. Oscillatory: Swing.

Section E – Long Answer (2 marks)

  1. Explain the correct way to use a scale when its zero mark is broken.
    Answer: Start measuring from the 1-cm mark and subtract 1 cm from the final reading.

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