Energy Sources - Conservation

What are fossil fuels?

• the remains of fossilized minerals that changed into coal, oil, or natural gas

• fuels that help us find fossils

• the remains of ancient organisms that changed into coal, oil, or natural gas

• the remains of coal, oil, or natural gas that changed into organisms

Which of the following is a problem with using fossil fuels

• there is overflowing supply

• it costs too much to use

• it makes life less convenient

• the supply is limited

What is an electric generator?

• a machine that converts electrical energy into mechanical energy

• a place where electricity is produced

• a machine that converts mechanical energy into electrical energy

• an electromagnetic coil

A wheel that changes the force of a moving gas or liquid into energy that can do work is called what?

• a turbo-prop

• an axel

• a turbine

• a generator

Electric power plants use fuels to heat up, what, in order to turn a turbine?

• coal

• oil

• water steam

• generator

What is one of the main reasons why the U.S. uses more energy (fuel) per capita (per person) than other countries?

• transportation fuel usage

• agriculture

• renewable energy usage

• high per capita income

How is coal formed?

• from the remains of animals that lived in swamps hundreds of millions of years ago

• from the decay of tiny marine organisms that accumulated on the bottom of the ocean millions of years ago

• from the remains of plants that lived in swamps hundreds of millions of years ago

• from the decay of tiny marine plants that accumulated on the bottom of the ocean millions of years ago

How is oil (and natural gas) formed?

• from the remains of animals that lived in swamps hundreds of millions of years ago

• from the decay of tiny marine organisms that accumulated on the bottom of the ocean millions of years ago

• from the remains of plants that lived in swamps hundreds of millions of years ago

• from the decay of tiny marine plants that accumulated on the bottom of the ocean millions of years ago

Which fossil fuel does Alaska have the largest amount of reserves?

• coal

• on-land oil and natural gas

• off-shore oil and natural gas

• uranium

Which of the following is a major advantage of coal?

• Inexpensive to extract

• Burns clean

• Unlimited supply

• Very little greenhouse gas emission