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Coal and Petroleum

Imagine that all the exhaustible natural resources are exhausted
by human activities. Do you think survival of living beings would
be possible.? If yes, why?, If not, why not?

02/11/2024

Science

8th

Coal and Petroleum

While driving what are the tips we must follow to save petrol/diesel/natural gas?

02/11/2024

Science

8th

Coal and Petroleum

We read in newspapers that burning of fuels is a major cause of global warming. Explain why.

02/11/2024

Science

8th

Coal and Petroleum

We say fossil fuels will last only for a few hundred years. Comment.

02/11/2024

Science

8th

Coal and Petroleum

Name the products obtained and their uses when coal is processed in industry

02/11/2024

Science

8th

Coal and Petroleum

Match the items given in Column I with the items of Column II.
Column I Column II
(a) Used for road surfacing (i) Black gold
(b) Natural gas (ii) Vaseline and candles
(c) Petroleum (iii) Bitumen
(d) Paraffin wax (iv) CNG

02/11/2024

Science

8th

Coal and Petroleum

Fill in the blanks and complete the story.
About 300 million years ago the earth had dense ________ in low
lying wetland areas. Due to natural processes, like ______, these
forests got burried under the ________. As more ________ deposited
over them, they were compressed. The ________ also rose as they
sank deeper and deeper. Under high ________ and high ________,
dead plants got slowly converted into coal.

02/11/2024

Science

8th

Coal and Petroleum

Write the characteristics and some important uses of coal.

02/11/2024

Science

8th

Coal and Petroleum

Write two important uses of coke.

02/11/2024

Science

8th

Coal and Petroleum

Some natural resources are given in a box. Classify them intothe exhaustible and inexhaustible natural resources.

air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen.

02/11/2024

Science

8th