MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why is conservation of fossil fuels essential?

Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 7
What is the impact of using excess of fossil fuels?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 7

Give reasons for the following:

Solar energy is better than thermal energy.

HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 7

Give reason for the following:

Water should not be thrown over a fire caused by petrol.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 7

Give reason for the following:

CNG is a better fuel for automobiles.

HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 7

Give reasons for the following

Coal is called a fossil fuel.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 8
What are fossil fuels? Why are they called non-renewable resources? What are they used for?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 8
Explain the formation of coal.
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 5 - Coal and Petroleum>Put on your thinking cap>Q 9

Read the clues and solve the crossword.

Question Image

Across
1 It is also called black gold.
2 Highly combustible substance mainly made up of carbon atoms.
3 Process of extraction of resources from the earth.
5 The slow process of conversion of dead organisms into coal.
6 A type of coal.
Down
1 The compounds made from petroleum.
4 A type of coal has the highest carbon content.