Download Class 6 Science Chapter 5 Measurement of Length and Motion worksheet with questions on measurement, SI units, reference points, motion and types of motion.
Class 6 Science
Chapter 5: Measurement of Length and Motion
Fresh Practice Worksheet
Measure carefully, think logically and identify different types of motion.
Name: _______________________________
Class: ____________ Roll No.: ____________
Date: __________________
Class: ____________ Roll No.: ____________
Date: __________________
Section A: Choose the Correct Answer
1. Which unit would be most suitable for measuring the length of a classroom?
(a) mm
(b) cm
(c) m
(d) km
(a) mm
(b) cm
(c) m
(d) km
2. Which of the following is a non-standard way of measuring length?
(a) metre
(b) centimetre
(c) kilometre
(d) handspan
(a) metre
(b) centimetre
(c) kilometre
(d) handspan
3. A thin sheet of paper is best measured in:
(a) kilometre
(b) metre
(c) centimetre
(d) millimetre
(a) kilometre
(b) metre
(c) centimetre
(d) millimetre
4. Which instrument is most useful for measuring the waist of a person?
(a) metre rod
(b) flexible measuring tape
(c) rigid ruler
(d) classroom blackboard
(a) metre rod
(b) flexible measuring tape
(c) rigid ruler
(d) classroom blackboard
5. A cyclist moving along a perfectly straight road is showing:
(a) circular motion
(b) oscillatory motion
(c) linear motion
(d) random motion
(a) circular motion
(b) oscillatory motion
(c) linear motion
(d) random motion
6. The blades of a rotating ceiling fan show:
(a) linear motion
(b) circular motion
(c) oscillatory motion
(d) no motion
(a) linear motion
(b) circular motion
(c) oscillatory motion
(d) no motion
Section B: Fill in the Blanks
1. The SI unit of length is the ____________.
2. One metre contains ____________ centimetres.
3. One centimetre contains ____________ millimetres.
4. A fixed object used for comparing position is called a ____________ point.
5. Motion along a straight path is called ____________ motion.
6. A repeated to-and-fro movement is called ____________ motion.
Section C: True or False
1. A kilometre is suitable for measuring the distance between two nearby cities.
Answer: ____________
Answer: ____________
2. Every person’s handspan has exactly the same length.
Answer: ____________
Answer: ____________
3. A measuring scale should be placed along the length being measured.
Answer: ____________
Answer: ____________
4. A moving object can be described only when we have a reference point.
Answer: ____________
Answer: ____________
5. The motion of a swing is an example of oscillatory motion.
Answer: ____________
Answer: ____________
6. A rotating wheel can show circular motion.
Answer: ____________
Answer: ____________
Section D: Match the Following
| Column A | Column B |
|---|---|
| 1. Thickness of a coin | a. Circular motion |
| 2. Length of a playground | b. Millimetre |
| 3. Distance between cities | c. Oscillatory motion |
| 4. Fan blade | d. Metre |
| 5. Swing | e. Kilometre |
Write your answers:
1. ______ 2. ______ 3. ______ 4. ______ 5. ______
Section E: Convert the Units
1. Convert 4 m into centimetres.
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
2. Convert 7 cm into millimetres.
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
3. Convert 3 km into metres.
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
4. Convert 250 cm into metres.
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
5. Convert 5000 m into kilometres.
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
Section F: Measurement Detective
Read each situation and decide what would be the most suitable unit or instrument.
1. Riya wants to measure the length of her pencil.
Suitable unit: __________________
Suitable instrument: __________________
Suitable unit: __________________
Suitable instrument: __________________
2. A builder wants to measure the length of a room.
Suitable unit: __________________
Suitable instrument: __________________
Suitable unit: __________________
Suitable instrument: __________________
3. A tailor wants to measure the length around a person’s waist.
Suitable instrument: __________________
Suitable instrument: __________________
4. A student wants to measure the thickness of a notebook page.
Suitable unit: __________________
Suitable unit: __________________
Section G: Identify the Motion
Straight movement
Movement around centre
To and fro movement
1. A train travelling on a straight railway track.
Type of motion: __________________
Type of motion: __________________
2. The second hand of a clock moving around the dial.
Type of motion: __________________
Type of motion: __________________
3. A child moving repeatedly on a swing.
Type of motion: __________________
Type of motion: __________________
4. A ball rolling straight across a floor.
Type of motion: __________________
Type of motion: __________________
5. A rotating merry-go-round.
Type of motion: __________________
Type of motion: __________________
Section H: Think and Answer
1. Why is a ruler not a good choice for measuring the curved surface of a bottle?
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
2. Why can two students get different measurements when they use their handspans to measure the same desk?
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
3. A student looks at a scale from the side instead of looking directly above the marking. What kind of mistake may occur?
____________________________________________________
____________________________________________________
____________________________________________________
4. Can an object be at rest for one observer but moving for another observer? Give a simple example.
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
Section I: Challenge Corner
1. A ribbon is 2 m long. How many centimetres long is the ribbon?
____________________________________________________
2. A road is 5 km long. Express its length in metres.
____________________________________________________
3. A pencil is 15 cm long. Express its length in millimetres.
____________________________________________________
4. Aman walks 3 m forward and then walks another 2 m in the same direction. How much distance has he covered?
____________________________________________________
5. A toy car moves straight for 2 m, turns around a circular track and then moves straight again. Can its motion be described by only one type? Explain.
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
Section J: Activity Zone
Activity 1: Measurement Hunt
Find five objects around your classroom or home. Measure them using a suitable instrument and record your observations.
| Object | Instrument | Measurement | Unit |
|---|---|---|---|
| 1. | |||
| 2. | |||
| 3. | |||
| 4. | |||
| 5. |
Activity 2: Motion Around Me
Find three objects that are moving around you. Write the type of motion shown by each object.
| Object | Type of motion | Why? |
|---|---|---|
| 1. | ||
| 2. | ||
| 3. |
Section K: Super Thinker
1. A student measures a book starting from the 2 cm mark of a ruler. The other end of the book reaches the 18 cm mark. What is the actual length of the book?
Working: __________________________________________
Answer: ___________________________________________
Answer: ___________________________________________
2. Which is greater: 2 m or 180 cm? Show your calculation.
____________________________________________________
____________________________________________________
____________________________________________________
3. A bus is moving along a curved road. Is its motion purely linear? Explain.
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
____________________________________________________
4. Why should a flexible measuring tape not be pulled too hard while measuring?
____________________________________________________
____________________________________________________
____________________________________________________
Answer Key
Section A
1. c
2. d
3. d
4. b
5. c
6. b
Section B
1. metre
2. 100
3. 10
4. reference
5. linear
6. oscillatory
Section C
1. True
2. False
3. True
4. True
5. True
6. True
Section D
1. b
2. d
3. e
4. a
5. c
Section E
1. 400 cm
2. 70 mm
3. 3000 m
4. 2.5 m
5. 5 km
Section G
1. Linear motion
2. Circular motion
3. Oscillatory motion
4. Linear motion
5. Circular motion
Section K
1. 16 cm
2. 2 m is greater because 2 m = 200 cm
3. No. Its motion changes when it follows a curved path.
4. Pulling the tape can change its length and lead to an incorrect measurement.
1. c
2. d
3. d
4. b
5. c
6. b
Section B
1. metre
2. 100
3. 10
4. reference
5. linear
6. oscillatory
Section C
1. True
2. False
3. True
4. True
5. True
6. True
Section D
1. b
2. d
3. e
4. a
5. c
Section E
1. 400 cm
2. 70 mm
3. 3000 m
4. 2.5 m
5. 5 km
Section G
1. Linear motion
2. Circular motion
3. Oscillatory motion
4. Linear motion
5. Circular motion
Section K
1. 16 cm
2. 2 m is greater because 2 m = 200 cm
3. No. Its motion changes when it follows a curved path.
4. Pulling the tape can change its length and lead to an incorrect measurement.
Total Score: __________ / __________
Teacher’s Signature: __________________________
Teacher’s Signature: __________________________
lPractice Class 6 Science Chapter 5 – Measurement of Length and Motion with easy, student-friendly questions covering measurement, standard units, reference points and types of motion.