Worksheet Solutions: Measurement of Length and Motion

Multiple Choice Questions (MCQs)

Q1: What is the SI unit of length?
(a) Kilogram
(b) Metre
(c) Centimetre
(d) Millimetre
Ans: (b) Metre

Q2: Which of the following is a drawback of using body parts for measurement?
(a) It is uniform
(b) It varies from person to person
(c) It is easy to understand
(d) It is historical
Ans: (b) It varies from person to person

Q3: What unit would you use to measure the length of a pencil?
(a) Kilometre
(b) Metre
(c) Centimetre
(d) Milligram
Ans: (c) Centimetre

Q4: Which motion occurs when an object moves in a straight line?
(a) Circular Motion
(b) Oscillatory Motion
(c) Linear Motion
(d) Periodic Motion
Ans: (c) Linear Motion

Q5: What is the purpose of using a reference point?
(a) To measure temperature
(b) To describe the position of an object
(c) To calculate area
(d) To estimate weight
Ans: (b) To describe the position of an object

Fill in the Blanks

Q1: The distance from the tip of the thumb to the tip of the little finger is called a __________.
Ans: handspan

Q2: If the ends of a scale are broken, you can use any other full mark as the _______ point.
Ans: starting

Q3: A __________ is a fixed point used to describe the position of an object.
Ans: reference point

Q4: One kilometre is equal to __________ metres.
Ans: 1000

Q5: The motion of a swing is an example of __________ motion.
Ans: oscillatory

True or False

Q1: The metre is divided into 100 millimetres. (True/False)
Ans: False

Q2: An object is in motion if its position changes over time. (True/False)
Ans: True

Q3: Body parts are a reliable method for measurement. (True/False)
Ans: False

Q4: Circular motion is when an object moves in a straight path. (True/False)
Ans: False

Q5: The units of length should always be written with uppercase letters. (True/False)
Ans: False

Match the Following

Ans: