Question 1 :
The distance between Radha's home and her school is 3250 m. Express this distance into km.
Question 2 :
The height of a person is 1.65 m. Express it into cm.
Question 4 :
The distance between Delhi and Mumbai is usually expressed in units of
Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6cbf59b460d7261e62b.PNG' />
The above figure shows the correct placement of a block along a scale for measuring its length. State TRUE or FALSE ?
Question 7 :
Fill in the blank: Motion of the needle of a sewing machine is ____.
Question 8 :
State whether True or False: Long ago people used to move only on foot and carry goods on their back.
Question 9 :
Fill in the blank: For transport through water routes, ______ were used from ancient times.
Question 10 :
Which of the following is an example for periodic motion ?
Question 11 :
State whether True or False: Animals were used to pull carts that moved on wheels.
Question 12 :
Four children measure the length of a table which was about 2m. Each of them used different ways to measure it.
(i) Sam measured it with a half metre long thread.
(ii) Gurmeet measured it with a 15 cm scale from her geometry box.
(iii) Reena measured it using her hand span.
(iv) Salim measured it using a 5 m long measuring tape.
Which one of them would get the most accurate length?
Question 13 :
Fill in the blanks:
In rectilinear motion, object moves ______ a _____ line.
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6d3f59b460d7261e635.PNG' />
The above figure shows the correct placement of a block along a scale for measuring its length. State TRUE or FALSE ?
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6cbf59b460d7261e62b.PNG' />
The above figure shows the correct placement of a block along a scale for measuring its length. State TRUE or FALSE ?
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6cbf59b460d7261e62c.PNG' />
In the above figure, Bholu and Golu are playing in a ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively. As compared to Golu, Bholu covers a shorter distance with a higher speed. State TRUE or FALSE ?
Question 18 :
A moving wheel of a sewing machine belongs to which category?
Question 19 :
State whether True or False: The invention of steam engine led to the development of new means of transport.
Question 20 :
What is the name of the standard system of units at present ?
Question 21 :
State whether True or False: We can use a thread to measure the length of a curved line.
Question 22 :
State whether True or False: Romans measured distance with their pace or steps.
Question 24 :
Fill in the blank: The type of motion in which the object moves along a straight line is called ________.
Question 25 :
Fill in the blank: Motion of the needle of a sewing machine is ____.
Question 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6ccf59b460d7261e62d.PNG' />
You are provided three scales A, B and C as shown in the above figure. To measure a length of 10 cm, which scale will you use for the correct measurement ?
Question 27 :
Fill in the blank: The type of motion in which the object repeats its motion after some time is called _____.
Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6cdf59b460d7261e62e.PNG' />
The above figure shows the correct placement of a block along a scale for measuring its length. State TRUE or FALSE ?
Question 29 :
Can you measure the length of a curved line using metre scale ?
Question 30 :
Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for circular motion.
Question 31 :
Is the movement of hands of a clock similar to that of the movement of a train ?
Question 33 :
Three students measured the length of a corridor and reported their measurements. The values of their measurements were different. What could be the reason for difference in their measurements?
Question 34 :
Can you measure distance with the scale in their geometry box ?
Question 35 :
Can you measure distance with the scale in their geometry box ?
Question 36 :
The motion of a swing is an example of rectilinear motion. Correct the given statement.
Question 37 :
The result of a measurement is expressed in how many parts ?
Question 38 :
Fill in the blanks:
A body repeating its motion after certain interval of time is in _____ motion.
Question 39 :
Fill in the blanks:
Motion of an object or a part of it around a fixed point is known as _______ motion.
Question 40 :
Fill in the blank: We can use a _______ to measure the length of a curved line.
Question 41 :
Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for rectilinear motion.
Question 42 :
Movement of tip of the minute hand of a clock in one hour belongs to which category?
Question 43 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6d1f59b460d7261e633.PNG' />
In the above figure, Bholu and Golu are playing in a ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively. As compared to Golu, Bholu covers a longer distance with a higher speed. State TRUE or FALSE ?
Question 44 :
State whether True or False: In ancient times, the length of a foot, the width of a finger, and the distance of a step were commonly used as different units of measurements.
Question 45 :
State whether True or False: Long ago people used to move only on foot and carry goods on their back.
Question 46 :
What are the parts in the result of a measurement ?
Question 47 :
What is the name of unit used as the length from the elbow to the fingertips in ancient Egypt ?
Question 48 :
While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle ?
Question 49 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6caf59b460d7261e62a.PNG' />
In the above figure, Bholu and Golu are playing in a ground. They start running from the same point A in the ground and reach point B at the same time by following the paths marked 1 and 2 respectively. As compared to Golu, Bholu covers a shorter distance with a lower speed. State TRUE or FALSE ?