WorksheetsFuels Revision N5
Total questions: 25
Worksheet time: 16mins
5. The Earth provides humans with an unlimited amount of fossil fuels. They are considered renewable.
True
False
What conditions are needed to form coal?
Heat and pressure
Heat
Moisture and pressure
Cool and moist
Why are fossils fuels so widely used?
They are renewable so they won't run out.
They pollution they produce is less compared to renewable energy sources.
They are easy to obtain and process.
They don't disrupt the environment when mined from the earth.
Which of these is not a fossil fuel?
Coal
Oil
Electricity
Natural Gas
What is coal made of?
decomposed plant remains
decomposed sea creatures
lava
all of the above
What are the 3 main fossil fuels?
Coal, Oil, and nuclear fuel
Coal, Oil, and Natural Gas
Electricity, Gas, Petroleum
Coal, Oil, Non-renewable Resources
What is another name for burning?
Neutralisation
Combustion
Thermal decomposition
Displacement
What is produced in complete combustion of a fuel?
Carbon
Carbon monoxide
Carbon monoxide and water
Carbon dioxide and water
During incomplete combustion, a toxic gas called _________is produced (give the name).
Carbon monoxide
Water
Air
Carbon dioxide
What environmental problem is caused by carbon dioxide?
Greenhouse effect
Acid rain
Breathing problems
Smog
The test for carbon dioxide gas is to bubble it through _____________.
limewater
tap water
Acid
Cobalt chloride paper
For any fuel to burn, there must be a supply of (a) gas.
Why does incomplete combustion happen?
Because there isn't enough oxygen
Because there isn't enough carbon dioxide
Because there isn't enough fuel
Because carbon is made
What type of renewable energy source is being shown?
Hydro Power
Wind Energy
Geothermal Energy
Natural gas
