Fossil Fuels And Combustion

Question 1

When fuels are burned they produce pollutant gases which are released into the atmosphere. What are these three glasses?

Answer 1

Carbon dioxide/ sulphur dioxide/ oxides of nitrogen

Question 2

Gases which are released when fuels are burned, cause what?

Answer 2

Acid rain and global warming

Question 3

The sun is the major source of what for the earth?

Answer 3

Energy

Question 4

When the sun heats up the earths surface what happens in return?

Answer 4

The earths surface radiates heat energy back into space

Question 5

What are the two consequences for life on Earth if we don’t prevent global warming?

Answer 5

1:) sea levels will rise because the polar ice caps are melting

2;) climate will become unpredictable with some places becoming wetter or drier which will disrupt the growth of food and the ecosystems of plants and animals

Question 6

What can we do about global warming?

Answer 6

Burn less fossil fuels/ have catalytic converters

Question 7

How will burning less fossils fuels be good for the planet?

Answer 7

Since they release pollutant gases into the atmosphere lowering the levels of industrial pollution

Question 8

How will fitting catalytic converters be good for the planet?

Answer 8

Because catalytic converters convert oxides of nitrogen into pure nitrogen which causes no damage to the earth

Question 9

Substances that release useful amounts of energy when they burn, are called what?

Answer 9

Fuels