OHST Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the OHST Vocabulary Game
A free word game for the OHST exam. Each round shows a clue for one of 20 exam terms across 7 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 OHST Vocabulary Game
Math and statistics
Compliance programs
Hazard identification and control
Industrial hygiene
Response and fire
Workforce development
Professional conduct
Sources for these terms (20)
- Injury Tracking Application (ITA) Data · Source checked 2026-11-05
- Safety Pays Tool - Inputs · Source checked 2026-11-05
- Hazard Communication - Overview · Source checked 2026-11-05
- 1910.1200 - Hazard Communication · Source checked 2026-11-05
- Our Mission and What We Do · Source checked 2026-11-05
- Process Safety Management - Hazard Recognition · Source checked 2026-11-05
- 1910.119 - Process safety management of highly hazardous chemicals · Source checked 2026-11-05
- Personal Protective Equipment - Overview · Source checked 2026-11-05
- Control of Hazardous Energy (Lockout/Tagout) · Source checked 2026-11-05
- eTool: Construction - Electrical Incidents - Ground-Fault Circuit Interrupters (GFCI) · Source checked 2026-11-05
- 1928.51 - Roll-over protective structures (ROPS) for tractors used in agricultural operations · Source checked 2026-11-05
- Chemical Hazards and Toxic Substances - Overview · Source checked 2026-11-05
- OSHA Technical Manual (OTM) - Section III, Chapter 5: Noise · Source checked 2026-11-05
- eTool: Evacuation Plans and Procedures - Emergency Action Plan · Source checked 2026-11-05
- Glossary of Related Terms · Source checked 2026-11-05
- Training Program Management · Source checked 2026-11-05
- What is a subject matter expert? · Source checked 2026-11-05
- Policies & Forms · Source checked 2026-11-05
- BCSP Code of Ethics · Source checked 2026-11-05
- 1910.38 - Emergency action plans · Source checked 2026-11-05
About the OHST Exam
The OHST (Occupational Hygiene and Safety Technician) exam validates competency in hazard identification and control, safety management programs, industrial hygiene, organizational communication, emergency preparedness, and professional ethics. It covers 7 domains with 200 questions (175 scored + 25 unscored).
Exam sponsor: Board of Certified Safety Professionals (BCSP) / Pearson VUE. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
200 questions
Time Limit
4 hours
Passing Score
~66% (109 of 175 scored)
Reported exam pass rate: Not publicly disclosed. by BCSP 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 OHST 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 OHST vocabulary game work?
Each round shows a clue for one of 20 OHST 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 OHST terms come from?
OpenExamPrep researched each term from the Board of Certified Safety Professionals (BCSP) / 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 OHST certification?
OHST (Occupational Hygiene and Safety Technician) is a BCSP certification for safety professionals with at least 3 years of occupational health and safety experience. It validates competency across 7 domains including hazard identification, safety programs, and industrial hygiene.
How many questions are on the OHST exam?
The OHST exam has 200 questions (175 scored + 25 unscored beta questions) in 4 hours. The passing score is approximately 66% (109 of 175 scored questions). The exam is administered at Pearson VUE test centers.