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20 questions
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.
Hydraulic fracturing is a technique used to extract
oil & natural gas
just oil
just natural gas
oil, natural gas & coal
A significant disadvantage of tar sands as an alternative oil source, compared with traditional oil drilling, is
the use of so much energy to extract the energy source
the potential for ocean oil spills
the production of additional CO2 into the atmosphere
that tar sands are more expensive than traditional oil
What happens when water flows through a dam?
The water evaporates.
The water turns a turbine.
The water is pumped back up.
The water creates sparks making electricity.
What are some concerns about building dams to create hydropower? Check all that apply.
Dams change the environment.
There are no concerns.
Dams change fish swimming patterns.
Dams store too much water.
Two Disadvantages of Solar Power are:
It is polluting
It is not always sunny out
It is inefficient (nor fully utilizing the Sun's energy)
It cannot be stored at all.
What is a disadvantage of wind turbines?
They pollute the air.
They do not pollute
They produce noise and may harm some animals
They are "green" energy
"Geo" means? "Thermal" means?
Earth and Cold
Earth and Heat
Sun and Heat
Sun and Cold
Which is a major source of geothermal energy? (Two answers)
Refrigerator water
Hot springs
Geysers
Saliva
Which of the following is a con of geothermal energy?
High upfront cost
Low amount of pollution
Environmentally friendly
Easily accessible
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