PE Environmental Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the PE Environmental Vocabulary Game
A free word game for the PE Environmental exam. Each round shows a clue for one of 20 exam terms across 6 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 PE Environmental Vocabulary Game
Water quality
Waste management
Sustainable practice
Air quality
Site remediation
Occupational health
Sources for these terms (21)
- National Pollutant Discharge Elimination System (NPDES) · Source checked 2026-11-03
- National Primary Drinking Water Regulations · Source checked 2026-11-03
- 5.2 Dissolved Oxygen and Biochemical Oxygen Demand · Source checked 2026-11-03
- Overview of Drinking Water Treatment Technologies · Source checked 2026-11-03
- Summary of the Clean Water Act · Source checked 2026-11-03
- Summary of the Resource Conservation and Recovery Act · Source checked 2026-11-03
- SW-846 Test Method 1311: Toxicity Characteristic Leaching Procedure · Source checked 2026-11-03
- Basic Information about Landfill Gas · Source checked 2026-11-03
- Design for the Environment Life-Cycle Assessments · Source checked 2026-11-03
- Overview of Greenhouse Gases · Source checked 2026-11-03
- NAAQS Table · Source checked 2026-11-03
- Demonstrating Compliance with New Source Performance Standards and State Implementation Plans · Source checked 2026-11-03
- What is the definition of VOC? · Source checked 2026-11-03
- National Emission Standards for Hazardous Air Pollutants Compliance Monitoring · Source checked 2026-11-03
- Superfund: CERCLA Overview · Source checked 2026-11-03
- Soil Vapor Extraction Implementation Experiences · Source checked 2026-11-03
- Community Guide to In Situ Chemical Oxidation · Source checked 2026-11-03
- Ground Water Issue: Dense Nonaqueous Phase Liquids · Source checked 2026-11-03
- What are PELs and how are they calculated for silica? · Source checked 2026-11-03
- OSHA Technical Manual, Section II, Chapter 1 · Source checked 2026-11-03
- Immediately Dangerous To Life or Health (IDLH) Values · Source checked 2026-11-03
About the PE Environmental Exam
The NCEES PE Environmental exam is an 80-question computer-based test designed for engineers with a minimum of four years of post-college work experience in environmental engineering. The 2026 exam specifications cover six content areas: Water (19-29 questions), Solid & Hazardous Waste (11-17), Sustainability (7-11), Air Quality (13-20), Site Assessment & Remediation (13-20), and Environmental & Occupational Health (7-11). The exam tests engineering principles applicable to pollution control, waste management, public health protection, and environmental remediation. Topics include water and wastewater treatment, air pollution control, solid waste management, site remediation, risk assessment, and environmental regulations.
Exam sponsor: NCEES (Pearson VUE). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
80 questions
Time Limit
8 hours
Passing Score
Not published by NCEES (scaled, criterion-referenced standard)
Reported exam pass rate: 73%. First-time takers 73%, repeat takers 54% (NCEES pass-rate table, July 2026) 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 PE 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 PE Environmental vocabulary game work?
Each round shows a clue for one of 20 PE 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 PE 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 the PE Environmental exam pass rate?
NCEES's July 2026 pass-rate table (January-June 2026 examinees) shows 73% for first-time takers and 54% for repeat takers. These rates are comparable to other PE exams. The pass rate reflects the exam's comprehensive coverage of environmental engineering topics. Candidates with strong experience in water/wastewater treatment, air quality, and remediation tend to perform better.
What changed in the 2026 PE Environmental exam specifications?
The 2026 exam specifications add Sustainability as its own topic (7-11 questions), covering resources conservation (energy and material conservation, renewable and nonrenewable resources, life-cycle analysis) and resilience (infrastructure vulnerability, climate impacts, redundancy, reliability). Water was reduced from 21-35 to 19-29 questions and Air from 14-22 to 13-20. The former Associated Engineering Principles area (5-9 questions) is gone; project management now appears as an example topic within the other areas.