CBSE NCERT Solutions for Class 6 Science Chapter 11

Apart from science solutions, students are also provided with the NCERT solution for class 6 Maths which can help them to clear any maths doubts instantly. NCERT solutions for class 6 science chapter 11 is provided here.

CBSE NCERT Solutions for Class 6 Science Chapter 11:

Question-1:

Give two examples each of modes of transport used on land, water, and air.

Solution:

Two examples of modes of transport used on land are buses and wheel carts.
Two examples of modes of transport used on water are ships and boats.
Two examples of modes of transport used in air are airplanes and helicopters.

Question-2:

Fill in the blanks.
i) One metre is ________ cm
ii) Five kilometres is ___ m
iii) Motion of a child on a swing is ______
iv) Motion of the needle of a sewing machine is _____
v) Motion of wheel of a bicycle is _____

Solution:

i) One metre is 100 cm
ii) Five kilometres is 5000 m
1 km = 1000 m
5 km = 1000 ×5=5000m
Hence, the answer is 5000m
iii) Motion of a child on a swing is periodic
Periodic motion:
The motion of a swing repeats itself at a certain time interval. Therefore, it has periodic motion. Hence a child on a swing is said to have periodic motion.
(iv) Motion of the needle of a sewing machine is periodic
Periodic motion:
The needle of a sewing machine moves up and down repeatedly with a certain time interval. Hence, it is an example of periodic motion.
(v) Motion of the wheel of a bicycle is circular. Circular motion:
The central part of the wheel of a bicycle is attached to a fixed point. The wheel rotates about fixed point as the bicycle moves. Hence, the wheel has circular motion.