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WorksheetsBrody's 6th Grade Science Review
Total questions: 28
Worksheet time: 14mins
What Is Fuel?
The remains of dead organisms
A substance that provides energy
What are fossil fuels?
Fossil fuels are the energy-rich substances formed from dead organisms.
Fossil fuels are only liquid based substances formed from dead ocean organisms
What are the three major fossil fuels?
Coal, Oil, Natural gasses
Water, Sand, Dirt
What term is given to a compound which contains atoms of carbon and hydrogen only?
alkene
hydrocarbon
alkane
saturated
This fossil fuel has been created by the remains of plants and must be mined from deep within the Earth.
oil
coal
natural gas
solar
This Fossil Fuel is highly flammable (catches on fire easily) and a leak could cause a violent explosion or fire.
petroleum
wood
coal
natural gas
Fossil Fuels (choose ALL that apply)
considered nonrenewable resources
cause pollution in the atmosphere
are renewable resources
oil, coal and natural gas
This fossil fuel is formed from the remains of small organisms that lived in the ocean AND is a thick, black liquid
natural gas
coal
oil
steam
The ADVANTAGES of Fossil Fuels include: (Choose ALL that apply)
low cost
produce a lot of energy
cause air pollution
high cost
Coal is formed from
rocks
a factory
remains of small organisms that lived many millions of years ago in our oceans
plant remains along with heat and pressure
The flame on your stove is an example of
coal
petroleum
natural gas
oil
To introduce poisonous or harmful substances into the environment is called
decomposition
decay
consumption
pollution
Some DISADVANTAGES of Fossil Fuels are (Select ALL that apply)
air pollution
acid rain
climate change
a lot of energy
What kind of organisms form coal?
Zooplankton
Algae
Plants and trees
Animals
What conditions are needed to form coal?
Heat and pressure
Heat
Moisture and pressure
Cool and moist
What happens to fossil fuels to create electricity?
They are stored
They are burned
They are melted
They are frozen
What is the problem with using fossil fuels?
They create greenhouse gases
They don't create a lot of electricity
They are non-renewable
They are renewable
What does non-renewable mean?
Something that lasts forever
Something that can be renewed
Something that will eventually run out
Something that has run out
What is the function of a cooling tower?
Let air in
Allow evaporation of water
Cools steam to condense back to water
Let air out
