Fossil Fuels Flashcards
(20 cards)
What are Fossil Fuels?
Hydrocarbons
What are Hydrocarbons?
Any organic compound composed only of carbon and hydrogen.
What does burning fossil fuels do?
Creates greenhouse gases which cause global warming, creates waste products that can act as pollutatnts and have harmful enviromental effect
Name at least two types of fossil fuels?
Natural Gas
Oil
Coal
Nuclear
What do humans use to live and function?
Chemical Engery from food
Name two activities that require energy?
Travelling and communicating, Manufacturing products, Controlling our enviroment
Name to chain for electricity?
Power Station 20, 000V
STEP UP TRANSFROMER 400, 000V
Power Lines 400, 000V
STEP DOWN TRANSFORMER 33,000V
Homes 230V/Factories
What are fossil fuels made from?
The remains of once living things
What is oil made from?
Dead plankton
How is oil formed?
- Living thing dies
- Remains settle on ocean floor
- Layers of sediment form when sand and other materials settle on the oceanfloor on top of dead plankton
- Over millions of years the pressure of the sand, soil and rock turns the fossils into oil
OIL
MNS OF SEA CREATUES 50yrs
Coal
dead plant remains 250yrs
natural gas
dead animal remains 70yrs
How ar fossil fuels formed
They were formed from biological deposits over course of million of years
Carbon Dioxide
this greenhouse gas is the main waste product of burning fossil fuels, increased levels of co2 due to human activities are thought to be connected with global warming
Sulfur dioxide SO2 and nitric oxides
these gaseous pllutants contribute to the formation of smog(mix of smoke and fog) and acid rain
Ash
This waste solid is disposed of in landfill sites
Extracton of cude oil from Fractional Distillation gives us many useful products.
HEATED CRUDE OIL GOES IN
Bitumen - road tarr- in the bottom
Fuel oil - heating
Diesel oil-buses lorries
Kerosene - aircrafts
Naphtha - making plastics
Petrol - Cars all underlined in the side
Refinery gases - gas for gas cookers - in the top
WHAT HAPPENS IN A FRACTINAL DISTILLATIR
first the oil is heated to a vapour and pumped into a tall tower
as it travels up liquids of different boiling points are collected
happens in scotland at grangemouth near edinburgh
Meathane
gas,contains one carbon atom and four hydrogen atoms