Vidaara.orgClass 6 · Mathematics
CodeVID-M6-WS
Measurement of Length and Motion — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
To measure a quantity means to compare it with a fixed:
- A.Colour
- B.Amount (unit)
- C.Shape
- D.Weight only
2.
Every measurement is written as a number together with a:
- A.Unit
- B.Picture
- C.Name
- D.Colour
3.
Body parts like the handspan are not used as standard units because they:
- A.Are too long
- B.Differ from person to person
- C.Are too accurate
- D.Cannot be seen
4.
The SI unit of length is the:
- A.Kilogram
- B.Second
- C.Metre
- D.Litre
5.
How many centimetres are there in 1 metre?
- A.10
- B.100
- C.1000
- D.12
6.
1 kilometre is equal to:
- A.100 m
- B.10 m
- C.1000 m
- D.500 m
7.
The best unit to measure the thickness of a coin is the:
- A.Kilometre
- B.Metre
- C.Millimetre
- D.Litre
8.
An object lies between the 4 cm and 10 cm marks of a ruler. Its length is:
- A.10 cm
- B.4 cm
- C.6 cm
- D.14 cm
9.
While reading a scale, your eye should be:
- A.At an angle
- B.Straight above the mark
- C.Very far away
- D.Closed
10.
A wrong reading caused by viewing the scale from an angle is called:
- A.Parallax error
- B.Motion
- C.A standard unit
- D.Reflection
11.
A curved line is best measured using a:
- A.Thread and a ruler
- B.Thermometer
- C.Magnet
- D.Balance
12.
An object is in motion when its ___ changes with time.
- A.Colour
- B.Position
- C.Name
- D.Mass
13.
The motion of the hands of a clock is an example of:
- A.Rectilinear motion
- B.Circular motion
- C.No motion
- D.Straight-line motion
14.
Motion that repeats after equal intervals of time is called:
- A.Rectilinear motion
- B.Circular motion
- C.Periodic motion
- D.Random motion
15.
A car moving on a straight road shows ___ motion.
- A.Circular
- B.Rectilinear
- C.Periodic
- D.No
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
16.
Two friends measure the same desk in handspans and get different numbers. This best shows the need for:
- A.Standard units
- B.Bigger hands
- C.More friends
- D.A thermometer
17.
A pencil reads 1 cm at one end and 16 cm at the other on a worn ruler. Its true length is:
- A.16 cm
- B.1 cm
- C.15 cm
- D.17 cm
18.
A child on a swing and a vibrating guitar string are both examples of:
- A.Circular motion
- B.Periodic motion
- C.Rectilinear motion
- D.No motion
19.
The wheel of a moving cart shows circular motion, while the cart moves forward. This shows an object can have:
- A.No motion
- B.More than one type of motion at once
- C.Only circular motion
- D.Only periodic motion
20.
A tree appears to move backward when seen from a moving train because motion is judged with respect to:
- A.The Sun
- B.The surroundings (a reference point)
- C.Its colour
- D.Its height
21.
To measure the distance walked along a winding garden path, the most suitable method is to use a:
- A.Short straight ruler held in the air
- B.Thread or flexible tape laid along the path
- C.Thermometer
- D.Magnet
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) Amount (unit)
- (A) Unit
- (B) Differ from person to person
- (C) Metre
- (B) 100
- (C) 1000 m
- (C) Millimetre
- (C) 6 cm
- (B) Straight above the mark
- (A) Parallax error
- (A) Thread and a ruler
- (B) Position
- (B) Circular motion
- (C) Periodic motion
- (B) Rectilinear
Section B — Challenge / Olympiad (2 marks each)
- (A) Standard units
- (C) 15 cm
- (B) Periodic motion
- (B) More than one type of motion at once
- (B) The surroundings (a reference point)
- (B) Thread or flexible tape laid along the path
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