Energy (Week 6)

Nuclear power plants generate energy by which of the following processes?

• W) Fission

• X) Fusion

• Y) Formation

• Z) Fracture

Most of today's plug-in hybrid and all-electric vehicles incorporate a common battery. This battery is also onboard the Boeing 787 Dreamliner. What type is this battery?

• W) Lithium-ion

• X) Lead-acid

• Y) Nickel-metal hydride

• Z) Nickel cadmium

Which of the following is closest to the percentage of the electricity in the United States that is generated from wind?

• W) 4

• X) 10

• Y) 16

• Z) 22

Scientists from two DOE labs, Pacific Northwest and Oak Ridge National Labs, have developed new methods for extracting uranium from seawater. Which of the following would this be used to fuel?

• W) Fission reactors

• X) Fusion reactors

• Y) Chemical reactors

• Z) Hybrid reactors

Which of the following percentages is closest to the typical efficiency of a steam turbine for electricity generation?

• W) 10

• X) 35

• Y) 60

• Z) 85

Scientists at Brookhaven National Lab are studying catalysts for the conversion of carbon dioxide to methanol. What general type of reaction is this?

• W) Synthesis

• X) Redox

• Y) Single replacement

• Z) Decomposition

Researchers at the Joint BioEnergy Institute are improving the efficiency of the biofuel cycle. What is the name of the step of this cycle during which bacteria are used to convert monosaccharides to ethanol?

SunStop is a flexible film developed at the National Renewable Energy Lab that is capable of preventing what form of energy from entering a building through its windows?

• W) Acoustic waves

• X) Infrared light

• Y) Gamma radiation

• Z) Electricity

Scientists at Argonne National Lab are studying liquid crystals that can be found in which of the following devices?

• W) Car engine

• X) External hard drive

• Y) Digital clock

• Z) Headphones

Argonne National Lab researchers are studying colloids using highpowered microscopes. Which of the following is an example of a colloid?

• W) Energy drink

• X) Salt water

• Y) Soda

• Z) Milk