Unit Review

Question 1 of 17

Which of the following best represents stored potential energy?

A. Water in a lake behind a dam

B. Heat given off by a camp fire

C. Oil in the hold of a tanker ship

D. Light emitted from the sun

Question 2 of 17

Which statement about fuels is true?

A. Fuels are a source of chemical energy.

B. Fuels can be used to produce electricity, a secondary energy source.

C. Fuels are a primary energy source.

D. All of the above

Question 3 of 17

Which of these energy transformations best describes what happens when diesel fuel is burned in the engine of a heavy-duty truck?

A. Electrical energy is converted to heat energy.

B. Heat energy is converted to potential energy.

C. Electrical energy is converted to kinetic energy.

D. Chemical energy is converted to kinetic energy.

Question 4 of 17

The energy in wood, coal, and other fuels comes ultimately from ____________.

A. Underground geological formations

B. Gravitational forces

C. The sun

D. Plants and animals

Question 5 of 17

This illustration represents the production and distribution of _____________.

A. Biomass

B. Syngas

C. Biogas

D. LP-gas

Question 6 of 17

The purpose of adding ethanol to gasoline is __________________.

A. To reduce CO emissions

B. To add oxygen to the gasoline

C. To improve combustion

D. All of the above

Question 7 of 17

In a nuclear power plant, uranium atoms ___________________.

A. Combine and give off heat energy

B. Split and give off heat energy

C. Split and give off photons

D. Burn to produce electricity

Question 8 of 17

Biomass can be processed to produce _______ fuel.

A. Solid and liquid

B. Solid and gaseous

C. Only solid

D. Solid, liquid, and gaseous

Question 9 of 17

Gasoline is produced by refining which fossil fuel?

A. Petroleum

B. Coal

C. Natural gas

D. Lignite

Question 10 of 17

A paper mill might burn wood waste ______ .

A. To control pests or diseases present

B. To produce a by-product needed to make paper

C. To generate electricity

D. All of the above

Question 11 of 17

According to this graph, which energy source is most commonly used to produce electricity?

A. Coal

B. Gas

C. Oil

D. Nuclear

Question 12 of 17

Nuclear energy differs from fuels in that ___________________.

A. Nuclear energy is not a product of combustion

B. Nuclear energy is produced spontaneously

C. Nuclear energy is not a conventional energy source

D. All of the above

Question 13 of 17

This structural formula represents_______________.

A. Clean diesel

B. Methyl tertiary butyl ether (MTBE)

C. Ethanol

D. Gasoline

Question 14 of 17

This diagram illustrates ______________.

A. The combustion of a fossil fuel

B. The combustion of a nuclear fuel

C. Nuclear fusion

D. Nuclear fission

Question 15 of 17

An advantage of fuels is that ___________________.

A. They do not ignite easily

B. They store kinetic energy

C. They can be stored for use as needed

D. All of the above

Question 16 of 17

Which fuel would complete this concept map?

A. Butane

B. Kerosene

C. Fuel oil

D. Syngas

Question 17 of 17

Under what conditions could diesel fuel be considered an alternative transportation fuel?

A. If the sulfur content was reduced

B. If a particulate filter was used to trap the soot

C. If emissions tests confirmed a reduction in odor

D. Diesel fuel cannot be considered an alternative fuel

Unit Review

Question 1 of 17

Which of the following best represents stored potential energy?

Question 2 of 17

Which statement about fuels is true?

Question 3 of 17

Which of these energy transformations best describes what happens when diesel fuel is burned in the engine of a heavy-duty truck?

Question 4 of 17

The energy in wood, coal, and other fuels comes ultimately from ____________.

Question 5 of 17

This illustration represents the production and distribution of _____________.

Question 6 of 17

The purpose of adding ethanol to gasoline is __________________.

Question 7 of 17

In a nuclear power plant, uranium atoms ___________________.

Question 8 of 17

Biomass can be processed to produce _______ fuel.

Question 9 of 17

Gasoline is produced by refining which fossil fuel?

Question 10 of 17

A paper mill might burn wood waste ______ .

Question 11 of 17

According to this graph, which energy source is most commonly used to produce electricity?

Question 12 of 17

Nuclear energy differs from fuels in that ___________________.

Question 13 of 17

This structural formula represents_______________.

Question 14 of 17

This diagram illustrates ______________.

Question 15 of 17

An advantage of fuels is that ___________________.

Question 16 of 17

Which fuel would complete this concept map?

Question 17 of 17

Under what conditions could diesel fuel be considered an alternative transportation fuel?

Your Review Results