28.1 Fossil Fuels

According to the Law of Conservation of Energy, energy cannot be created or destroyed but can be ______________ from one form to another

• translated

• transcontinental

• transformed

• transported

Which of the following is NOT a fossil fuel?

• Petroleum

• Batteries

• Coal

• Natural Gas

Petroleum is a mixture of _______________ .

• hydrogens

• dihydrogen oxides

• hydraulics

• hydrocarbons

Power plants burn fossil fuels to extract ____________________ that spins turbines and powers electric generators.

• elastic potential energy

• chemical potential energy

• mechanical potential energy

• gravitational potential energy

Which of the following are Nonrenewable Energy Resources?

• Wind Turbines

• Fossil Fuels

• Solar Panels

• Hydroelectric Dams

According to the pie chart, which is the largest source of energy in the US

• Petroleum

• Natural Gas

• Nuclear Power

• Coal

The Pie Chart depicts the use of energy by different sectors of our society in the US.

According to the chart, which Sector uses the most energy?

• Residential

• Industrial

• Transportation

• Commercial

According to the bar graph, which fuel contains the most energy per gram?

• Wood

• Petroleum

• Coal

• Natural Gas

Most of the energy we use in the US has been transformed into electrical energy. This transformation is never 100% efficient.

What is the general estimate for the efficiency of fossil fuel power plants that generate electricity?

• 95% efficient

• 75% efficient

• 50% efficient

• 35% efficient

If a fossil-fuel burning power plant that creates electricity is only 35% efficient, what is the remaining 65% of the energy usually transformed into?

• Solar Energy

• Thermal Energy

• Nuclear Energy

• Elastic Energy