Question

Ch: The Arrow and the Song
Class: VII
Q.1 Which one is better to send to the world, an arrow or a song ? Why do you think so?

Answer 1

2)Do the following project work in your PHYSICS HOMEWORK NOTEBOOK:-
Select any ONE of the following two topics:-
(a)Non-renewable source of energy being used in kitchen.
OR
(b)Non- renewable source of energy being used for transportation.
Collect information(on the selected topic) and write it down in your homework
notebook under the following headings:-
a)Non-renewable fuel being used(mention your choice ).
b) Its commonly used name .
c) Constituents of the fuel in discussion.
d)Calorific value of the fuel in discussion.
e)Regions in India where their production is being done.
f) Its cost per unit.
g)Advantages of using this fuel.
h)Disadvantages of using this fuel.
i)Suggest an alternative (renewable source) source of energy that could be used
here.
j)What problems do you see in using alternative(renewable source) of energy here?
k)Suggest some ways of overcoming the problems highlighted by you.