Energy

What is the origin of energy in both fossil fuels and biomass fuels?

• The moon

• The sun

• The ocean

• The wind

How does energy flow through a nuclear power plant to produce electricity?

• By burning coal

• By splitting uranium atoms

• By using solar panels

• By harnessing wind

Why are coal, petroleum, and natural gas called fossil fuels?

• They are made from rocks

• They are formed from dead animals and plants

• They are found in the ocean

• They are created by humans

What kind of rock is associated with coal, petroleum, and natural gas?

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

• Volcanic rocks

What is the naturally occurring element used in nuclear fission?

• Hydrogen

• Uranium

• Carbon

• Oxygen

What is the process of splitting a heavy atom into smaller atoms called?

• Nuclear fusion

• Nuclear fission

• Combustion

• Photosynthesis

Why are nuclear power plants not widely used despite their high electricity production?

• They are too small

• They are too expensive

• Concerns about safety and radioactive waste

• They are not efficient

Why does the majority of our energy come from nonrenewable resources?

• They are unlimited

• They are easy to find

• They are readily available and have high energy density

• They are environmentally friendly

How is a nuclear power plant different from a fossil fuel power plant?

• It uses wind energy

• It does not produce combustion byproducts

• It uses more coal

• It is less efficient

What is the process of combining two light atoms to form a heavier atom called?

• Nuclear fission

• Nuclear fusion

• Combustion

• Evaporation