chapter 13 es

What is an example of energy EFFICIENCY?

• Reading a book rather than watching TV.

• Wearing a jacket instead of turning on the heat.

• Switching from incandescent lightbulbs to LED lightbulbs.

• Walking to your friend's house instead of driving.

What is PEAK DEMAND?

• The maximum output created by 1 hour of full sun on a photovoltaic cell.

• The greatest quantity of energy used at one time that an electric company must provide.

• The year the world will reach maximum oil production.

• The fraction of time a power plant operates in a year.

Which of these materials will have a high thermal mass?

• Concrete

• Wood

• Glass

• Aluminum

A fuel made from the conversion of sugars and starches from corn into alcohol.

• Biodiesel

• Ethanol

• Hydrogen

• Petroleum

This type of nondepletable energy is the only type that does NOT come from the sun.

• Geothermal

• Hydroelectric

• Solar

• Wind

What is a Fuel Cell?

• A technology that transfers heat from the ground to a building.

• A system of capturing energy from sunlight and converting it directly into electricity.

• An electrochemical device that converts fuel into an electrical current.

• A vehicle that can run on gasoline or gasoline/ethanol mixtures (E-85)

What is NOT a way to improve the efficiency of electricity distribution in the US?

• To create a Smart Grid that can self-regulate energy distribution.

• To create small-scale electrical plants rather than large centralized ones.

• Incentivizing consumers to avoid using electricity during peak demand hours.

• Consolidating all electrical plants into 2-3 large centralized plants for the entire US.

What is an example of MODERN carbon?

• Bitumen

• Natural Gas

• Biofuels like ethanol and biodiesel

• Petroleum

What is NOT a benefit of using charcoal instead of wood as an energy source?

• It is lighter than wood but contains more energy per gram.

• It produces less smoke than a wood fire.

• It is less expensive than wood.

• Charcoal fires require less tending than wood fires.

Which of these types of renewable energy would be a viable energy source ANYWHERE in the world?

• Solar energy

• Geothermal energy

• Tidal energy

• Wind energy