NFPA 470 Hazardous Materials Operations Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the NFPA 470 Hazardous Materials Operations Vocabulary Game
A free word game for the NFPA 470 Hazardous Materials Operations exam. Each round shows a clue for one of 20 exam terms across 9 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 NFPA 470 Hazardous Materials Operations Vocabulary Game
Responder references
Chemical and container hazards
Terrorism response
Protective equipment
Command and zones
Decontamination methods
Evidence and sampling
Product control
Detection and monitoring
Sources for these terms (15)
- Emergency Response Guidebook (ERG) - PHMSA · Source checked 2026-11-03
- 2024 Emergency Response Guidebook (ERG2024-Eng-Web-a.pdf) · Source checked 2026-11-03
- 29 CFR 1910.106 - Flammable liquids · Source checked 2026-11-03
- 29 CFR 1915.11 - Scope, application, and definitions applicable to this subpart · Source checked 2026-11-03
- Hazard Communication - OSHA Safety and Health Topics · Source checked 2026-11-03
- Respiratory Protection eTool: Air-purifying vs. Atmosphere-supplying Respirators · Source checked 2026-11-03
- Calibrating and Testing Direct-Reading Monitors (OSHA Safety and Health Information Bulletin) · Source checked 2026-11-03
- Sarin | Chemical Emergencies | CDC · Source checked 2026-11-03
- VX | Chemical Emergencies | CDC · Source checked 2026-11-03
- NIOSH Pocket Guide to Chemical Hazards - Introduction (table of abbreviations) · Source checked 2026-11-03
- 18 U.S.C. 2332a - Use of weapons of mass destruction (U.S. Code, govinfo) · Source checked 2026-11-03
- ICS Review Document (FEMA Emergency Management Institute) · Source checked 2026-11-03
- EPA FSBPROC-005-R6, Sample and Evidence Management · Source checked 2026-11-03
- How does NOAA help clean up oil and chemical spills? (NOAA Ocean Service) · Source checked 2026-11-03
- CLU-IN Technologies: Gas Chromatography (U.S. EPA) · Source checked 2026-11-03
About the Hazmat Operations Exam
The NFPA 470 Hazardous Materials Operations certification validates defensive response competency for first responders who arrive on scene of a hazmat or WMD incident. Operations-level responders work outside the hot zone to protect nearby persons, the environment, and property. The exam covers defensive operations (isolation, damming/diking/diverting, vapor suppression and dispersion), EPA PPE Levels A-D, gross/technical/mass decontamination, ICS for hazmat, detection and monitoring instruments, product control, and Chapter 9 mission-specific specialties.
Exam sponsor: NFPA 470 — Pro Board / IFSAC. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Question count not published by the exam provider
Time Limit
Varies by certifying entity (Kansas and Missouri allow 2 hours for the written exam)
Passing Score
70% on the written exam where published (Kansas, Missouri, FCPNB); skills evaluations are pass/fail
Exam / Certification Fees
Varies by certifying entity (no national certification fee is published; training course fees vary by provider)
Exam sponsor websiteReported exam pass rate: Varies by provider. Pass rates are not published; Kansas and Missouri require 70% on a 100-question written exam plus a passed practical skills exam 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 Hazmat Ops 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 Hazmat Ops vocabulary game work?
Each round shows a clue for one of 20 Hazmat Ops 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 Hazmat Ops terms come from?
OpenExamPrep researched each term from the NFPA 470 — Pro Board / IFSAC 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 NFPA 470 Hazmat Operations certification?
NFPA 470 Hazardous Materials Operations certifies first responders to perform defensive actions at hazmat or WMD incidents. Operations responders isolate the scene, protect exposures, and contain releases from a safe distance — they do not approach the point of release. NFPA 470 consolidates the former NFPA 472, 473, and 1072 standards and is accredited through Pro Board and IFSAC.
What is the format of the Hazmat Operations exam?
There is no national written form. Each Pro Board or IFSAC certifying entity sets its own exam: Kansas, Missouri and the New Brunswick FCPNB use 100 multiple-choice questions with a 70% pass mark, and Kansas and Missouri allow 2 hours. Core competencies (NFPA 470 Chapter 7) are usually tested together with the mission-specific competencies (Chapter 9) the jurisdiction requires, and skills are evaluated pass/fail.