Introduction to Energy

Forms of energy include

• mechanical

• electrical

• chemical

• all of these

The SI unit for energy is the

• joule

• newton

• meter

• none of these

Which form of energy does your body use to stay warm?

• light energy

• chemical energy

• sound energy

• none of these

Sources of electrical energy include

• the sun

• lightning

• batteries

• two of these

Nuclear power plants produce energy by

• burning fossil fuels

• splitting atomic nuclei

• causing chemical reactions

• capturing kinetic energy of atoms

Nonrenewable energy resources include

• fossil fuels

• running water

• livestock

• none of these

All fossil fuels contain stored chemical energy that came originally from

• rocks below Earth's surface

• the sun

• giant fern trees

• coal

The fossil fuel that produces the most carbon dioxide when burned is

• coal

• oil

• biomass

• natural gass

A major drawback of nuclear energy is the production of

• air pollution

• carbon dioxide

• carbon monoxide

• radioactive wastes

Renewable energy resources include

• wind

• natural gas

• coal

• all of the above