FE Environmental Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the FE Environmental Vocabulary Game
A free word game for the FE Environmental exam. Each round shows a clue for one of 20 exam terms across 15 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the FE Environmental Vocabulary Game
Mathematics
Probability and statistics
Ethics and professional practice
Engineering economics
Fundamental principles
Environmental chemistry
Health hazards and risk
Fluid mechanics
Thermodynamics
Surface water and hydrology
Groundwater and soils
Water and wastewater
Atmospheric pollution
Solid and hazardous waste
Energy and environment
Sources for these terms (21)
- Analyzing and Exploiting Numerical Characteristics of Zone Fire Models (NISTIR 4763) · Source checked 2026-11-03
- 1.3.5.1. Measures of Location · Source checked 2026-11-03
- DoD Cost Estimating Guide · Source checked 2026-11-03
- Optimal Corrosion Control Treatment Evaluation Technical Recommendations for Primacy Agencies and Public Water Systems · Source checked 2026-11-03
- 5.2 Dissolved Oxygen and Biochemical Oxygen Demand · Source checked 2026-11-03
- Safe Work Practices | Silica · Source checked 2026-11-03
- Information for Employers | Lead · Source checked 2026-11-03
- Water Measurement Manual, Chapter 2, Section 16. Normal Flow Equations and Friction Head Loss · Source checked 2026-11-03
- Water Measurement Manual, Chapter 7 - Weirs, Section 2. Definition of Weirs · Source checked 2026-11-03
- DOE Fundamentals Handbook: Thermodynamics, Heat Transfer, and Fluid Flow, Volume 1 of 3 · Source checked 2026-11-03
- Overview of Total Maximum Daily Loads (TMDLs) · Source checked 2026-11-03
- Hydrology Education: The Water Cycle · Source checked 2026-11-03
- Theory of Aquifer Tests · Source checked 2026-11-03
- Overview of Drinking Water Treatment Technologies · Source checked 2026-11-03
- Wastewater Management Fact Sheet: Membrane Bioreactors · Source checked 2026-11-03
- National Pollutant Discharge Elimination System (NPDES) · Source checked 2026-11-03
- NAAQS Table · Source checked 2026-11-03
- Monitoring by Control Technique - Electrostatic Precipitators · Source checked 2026-11-03
- Resource Conservation and Recovery Act (RCRA) Overview · Source checked 2026-11-03
- Understanding Global Warming Potentials · Source checked 2026-11-03
- Model Rules (Revised August 2026) · Source checked 2026-11-04
About the FE Environmental Exam
The FE Environmental exam is one of seven NCEES Fundamentals of Engineering exams and the first step toward Professional Engineer (PE) licensure for environmental engineers. The 110-question computer-based test covers 15 knowledge areas, led by fluid mechanics and hydraulics, water and wastewater, and surface water resources and hydrology, plus air quality, solid and hazardous waste, and health hazards and risk assessment. The exam is delivered year-round at Pearson VUE test centers using an on-screen searchable NCEES FE Reference Handbook.
Exam sponsor: NCEES (Pearson VUE). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
110 questions
Time Limit
5 hours 20 minutes
Passing Score
Scaled (NCEES does not publish a fixed cut score)
Reported exam pass rate: ~70%. FE Environmental first-time pass rate typically 67-74% (NCEES pass-rate tables) This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the FE Environmental vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the FE Environmental vocabulary game work?
Each round shows a clue for one of 20 FE Environmental terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the FE Environmental terms come from?
OpenExamPrep researched each term from the NCEES (Pearson VUE) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What is on the FE Environmental exam?
The FE Environmental exam covers 15 NCEES knowledge areas: mathematics; probability and statistics; ethics and professional practice; engineering economics; fundamental principles; environmental chemistry; health hazards and risk assessment; fluid mechanics and hydraulics; thermodynamics; surface water resources and hydrology; groundwater, soils, and sediments; water and wastewater; air quality and control; solid and hazardous waste; and energy and environment. Question counts per area come from the NCEES specification (e.g., 12-18 questions on water and wastewater).
How long is the FE Environmental exam, and how much does it cost?
FE Environmental is a 110-question computer-based test delivered at Pearson VUE test centers. The appointment is 6 hours: a 2-minute nondisclosure agreement, an 8-minute tutorial, 5 hours 20 minutes of exam time and a 25-minute scheduled break. The NCEES exam fee is $225; some state boards add an application fee.