Fossil Fuels

• Chemistry
• Lower Secondary (Key Stage 3)

Fossil Fuels

List three things that the human body needs energy for.

What is energy measured in?

How many J are in 50 KJ ?

Name an activity that requires more energy than walking.

What is a digestion tank ?

Which energy resource is not a fossil fuel?

1. Coal
2. Oil
3. Gas
4. Uranium

Which fossil fuels are from the remains of dead sea creatures?

1. Coal and oil
2. Oil and gas
3. Coal and gas
4. Coal, oil and gas

Which fossil fuel(s) are from the remains of dead trees?

1. coal
2. oil
3. gas
4. Coal, oil and gas

gas

trees

millions

coal

fossil

Fossil fuels were formed .......... year ago

1. hundreds
2. thousands
3. tens of thousands
4. millions

Oil and gas are formed from fossilised remains of …

1. Trees
2. Sea creatures
3. rocks
4. None of the above

Coal is formed from the fossilised remains of…

1. Trees
2. Sea creatures
3. rocks
4. none of the abovce

Coal, oil and carbon dioxide are all fossil fuels

1. True
2. False

Fossil fuels are renewable

1. True
2. False

Fossil fuels will easily burn

1. True
2. false

Once coal runs out we will have to wait several hundred years to replace it

1. True
2. False

Fossil fuels are made from organisms that died millions of years ago

1. True
2. false

Transportation i.e. to power vehicles;

making plastics

What fossil fuel is being burned here?

Generator

Turbine

Coal

Boiler

What substance passes from boiler (A) to turbine (C)?

1. Water
2. Coal
3. Steam
4. Natural gas

What is produced at the end of section C?

What must the turbine do to make the generator work?

They release carbon dioxide

They will run out.

They contribute to global warming

They are cheap

Thermal power stations already exists

They are non-renewable

Produces sulfur dioxide which causes acid rain.

Suggest the effect of not putting enough coal into the boiler.