6.15 MC Answers and Review

⛔STOP!⛔ Before you look at the answers make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in unit 1. Click here for the practice questions: AP Environmental Science Unit 6 Multiple Choice Questions.

Facts about the test: The AP Environmental Science exam has 80 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. That means it should take you around 17 minutes to complete 15 questions.

1. Identify the non-renewable form of energy

A. Biofuel

C. Hydroelectric

D. Geothermal]

Answer: Nuclear energy is derived from splitting atoms of uranium. There is only so much uranium on Earth and it doesn't regenerate, so it is therefore not renewable.

2. A famous coffee store advertized that it will now be selling its cold coffee in cups that are 20% less plastic and have no straw. This is an example of

A. Using a biodegradable resource.

B. Using a renewable resource.

C. Using a sustainable alternative.

Answer: The coffee store is still using plastic cups. Plastic is created from fossil fuels and is not sustainable, renewable, or biodegradable. Using less per cup would reduce global pollution and waste production as well as reduce the usage of a limited resource.

3. Between 2000 and 2019 what was the most used fuel source worldwide?

B. Wind power

C. Traditional biofuel

D. Modern biofuel

Answer: Wind Power is the fastest growing renewable energy source but is still a small fraction of the total energy used. Modern biofuel would be something like ethanol generated from corn or sugar cane and is also growing but relatively small. Traditional biofuel is wood or plant mater often harvested from non-farmed ecosystems like forests.

4. If every family in the world had access to a clothes washing machine this would

A. Increase the time families spend on household chores.

C. Decrease the use of resources like metals and plastics.

D. Decrease chemical pollutants in waterways.

Answer: If every family in the world had access to the resources and tools that are available in most industrialized nations, it would drastically increase the overall energy usage. To ensure that we are ready for everyone to acquire these technologies, alternative energies must be used.

5. The combustion of fossil fuels creates energy as well as

A. Oxygen and Glucose

B. Oxygen and Water

D. Carbon Dioxide and Oxygen

Answer: The combustion of fossil fuels as well as metabolism result in the release of energy, carbon dioxide, and water.

6. Fracking is used to extract

A. Uranium

B. Coal

C. Oil

Answer: Fracking or Hydraulic Fracturing is the process of injecting water, sand, and chemicals into the Earth to release Natural gas.

7. Nuclear energy is generated from the splitting of ____ atoms

B. Oxygen

C. Hydrogen

D. Carbon Dioxide

Answer: Nuclear energy is generated from the splitting of uranium atoms in a process called Fission

8. The environmental disaster that was caused by a tsunami flooding the reactor in a nuclear power plant was in this location

A. Chernobyl

B. San Clemente

D. Three Mile Island

Answer: This disaster occurred in Fukushima Japan after a tsunami generated by a large earthquake.

9. Which of the following is a fuel generated from fermenting biomass?

B. Uranium

C. Petroleum

D. Hydrogen

Answer: Fermentation of sugars can produce Ethanol- this can be used as fuel.

10. Which state has the greatest potential for power generation from photovoltaic cells?

A. North Carolina

C. Minnesota

D. Wyoming

Answer: Arizona has more sunny days and would generate more electricity.

11. Which is an example of passive solar energy

A. Water is heated to generate steam and turn a turbine

B. Solar panels that heat water to heat a pool.

D. Photovoltaic cells collecting energy

Answer: Passive solar energy usually does not require any equipment, generate or store energy.

12. Hydroelectric power uses

A. Hydrogen gas

C. Active solar energy

D. Passive solar energy

Answer: Hydroelectric power is energy generated using water, like a dam.

13. The country that generates the most electricity from geothermal is

B. Australia

C. India

D. Brazil

Answer: The US generates the most geothermal energy of the options shown. China also generates comparable amounts to the US.

14. Fuel cells work by combining these two elements to create energy.

A. Carbon and Water

B. Carbon and Oxygen

D. Hydrogen and Carbon

Answer: Fuel cells create energy by combining hydrogen and oxygen and creating water as a by-product.

15. The following set a standard for fuel efficiency in cars by creating an average number of miles a car company's fleet must get per gallon.

A. EPA

B. DOE

C. EFTA

Answer: Corporate Average Fuel Economy Standards.

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