Fossil fuels and nuclear energy

What are the fossil fuels formed from?

• dead organisms

• coal

• rock sediments

• chemical wastes

Petroleum, oil, and natural gas are examples of _____ fuels.

• inexhaustible

• fossil

• unnatural

• not polluting the environment

In addition to being used as a fuel which of the following is used to make plastics, synthetic fabrics and medicines?

• coal

• natural gas

• petroleum

• bot coal and natural gas

Why are fossil fuels considered to be nonrenewable resources?

• they are no longer being produced

• they are produced as fast as being used

• they are not being produced as fast as being used

• they contain hydrocarbons

It takes ________ for the formation of fossil fuels.

• millions of years

• few days

• few months

• few hours

In a nuclear power plant, what process releases energy that can be converted to electricity?

• nuclear fission

• nuclear fusion

• nuclear combustion

• particle acceleration

In what part of a nuclear reactor does fission occur?

• coolant

• turbine

• core

• generator

Two hydrogen nuclei combine to form a helium nucleus. This process is called ____________ .

• nuclear collision

• nuclear fission

• nuclear fusion

• nuclear split

Which of the below describes nuclear fusion?

• two nuclei combine to form a heavy nuclei

• two nuclei separate into a number of lighter nuclei

• mixing of atomic nuclei to form new chemical compounds

• collision between two small nuclei

Which of the following is a major problem with developing a fusion reactor?

• obtaining fuel

• producing radioactive wastes

• disposing of radioactive wastes

• maintaining very high temperatures