WorksheetsAcademic Decathlon: Science 4
Total questions: 14
Worksheet time: 7mins
What is a common effect of VOCs from plants?
They create a pleasant aroma.
They cause smog-like haze.
They reduce air pollution.
They have no effect on the environment.
What percentage of the total energy used in the U.S. is accounted for by transportation?
25%
36%
50%
60%
What is the primary factor in calculating the efficiency of transportation methods?
Speed of travel
Number of passengers
Cost of travel
Distance covered
What is the thermal efficiency of electric water heaters described as?
~100 percent
50 percent
75 percent
90 percent
What is the potential efficiency of newer coal-burning plants?
36%
42%
50%
60%
What type of energy is converted to heat energy for cooking?
Kinetic energy
Radiant energy
Potential energy
Chemical energy
What is the potential efficiency for coal-fired systems that are not commercially feasible at present?
36%
42%
50%
60%
What is the greatest energy source in the United States currently?
Coal
Natural gas
Petroleum
Nuclear energy
What is the process called that extracts previously untapped oil and natural gas reserves?
Drilling
Hydraulic Fracturing
Refining
Distillation
What is the main reason natural gas has overtaken coal as an energy source in the U.S.?
It is cheaper
It is more efficient
Hydraulic fracturing
It is more abundant
What is the main component of the fluid used in fracking?
Sand
Water
Methanol
Ethylene Glycol
How many pounds of uranium must be mined to produce seven pounds of uranium oxide?
500 pounds
1000 pounds
1500 pounds
2000 pounds
How did the Three Mile Island accident affect the state of nuclear power in the United States?
It led to widespread acceptance of nuclear energy.
It improved nuclear regulation
It fueled protest against nuclear power.
It encouraged investment in nuclear technolgoy
Which of the following outcomes is NOT a possible advantage for the use of solar and wind energy?
electricity provided to remote locations
increased amount of energy production
heat and electricity generated without pollution
energy savings produced
