NASCLA Contractor Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the NASCLA Contractor Vocabulary Game
A free word game for the NASCLA Contractor exam. Each round shows a clue for one of 20 exam terms across 12 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 NASCLA Contractor Vocabulary Game
Procurement and Contracting Requirements
General Requirements
Site Construction
Concrete
Masonry
Metals
Wood
Thermal and Moisture Protection
Doors, Windows, and Glazing
Finishes
Mechanical and Plumbing Systems
Electrical Systems
Sources for these terms (23)
- FAR 28.102-1 General (performance and payment bonds) · Source checked 2026-11-03
- FAR 52.233-1 Disputes · Source checked 2026-11-03
- FAR 52.243-4 Changes · Source checked 2026-11-03
- FAR 14.101 Elements of sealed bidding · Source checked 2026-11-03
- 29 CFR 1926.501 Duty to have fall protection · Source checked 2026-11-03
- 29 CFR 1926.1053 Ladders · Source checked 2026-11-03
- 29 CFR 1926.650 Scope, application, and definitions (excavations) · Source checked 2026-11-03
- 29 CFR 1926.652 Requirements for protective systems · Source checked 2026-11-03
- Construction General Permit Resources, Tools, and Templates · Source checked 2026-11-03
- 29 CFR 1926 Subpart P Appendix A Soil Classification · Source checked 2026-11-03
- FHWA Tech Brief: Curing Concrete Paving Mixtures (FHWA-HIF-18-015, November 2018) · Source checked 2026-11-03
- FHWA High-Performance Concrete, Chapter 5: Evaluation · Source checked 2026-11-03
- FHWA Portland Cement Concrete, Module G Participant Workbook · Source checked 2026-11-03
- 29 CFR 1926.706 Requirements for masonry construction · Source checked 2026-11-03
- 29 CFR 1926.757 Open web steel joists · Source checked 2026-11-03
- Wood Handbook, Chapter 8: Fastenings (FPL-GTR-282, 2021) · Source checked 2026-11-03
- Provide Moisture Control and Insulation in Wall Systems (U.S. Department of Energy) · Source checked 2026-11-03
- DOE Efficient New Homes Single Family Version 2 (Rev. 3) Web Transcript · Source checked 2026-11-03
- Mineral Commodity Summaries 2026: Gypsum · Source checked 2026-11-03
- Home Upgrades (U.S. Department of Energy) · Source checked 2026-11-03
- Showerheads (WaterSense, U.S. EPA) · Source checked 2026-11-03
- 29 CFR 1926.404 Wiring design and protection · Source checked 2026-11-03
- Developing Your Stormwater Pollution Prevention Plan: A Guide for Construction Sites (EPA 833-R-06-004) · Source checked 2026-11-03
About the NASCLA Contractor Exam
The NASCLA Accredited Examination for Commercial General Building Contractors is an open-book trade examination. Twenty agencies across 17 states and the U.S. Virgin Islands accept it as a trade-exam waiver while retaining their own license requirements.
Exam sponsor: NASCLA / PSI. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
125 questions
Time Limit
330 minutes
Passing Score
81 of 115 scored questions (approximately 70.4%)
Exam / Certification Fees
$130 PSI examination fee; $65 NASCLA application is separate
Exam sponsor websiteReported exam pass rate: Not published. NASCLA and PSI do not publish a current first-time pass rate 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 NASCLA Contractor 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 NASCLA Contractor vocabulary game work?
Each round shows a clue for one of 20 NASCLA Contractor 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 NASCLA Contractor terms come from?
OpenExamPrep researched each term from the NASCLA / PSI 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 NASCLA contractor exam?
The NASCLA Accredited Examination is an open-book trade exam accepted by 20 agencies across 17 states and the U.S. Virgin Islands. It is not a contractor license.
How many questions are on the NASCLA exam?
Candidates see 125 items: 115 scored questions plus 10 unidentified pretest items. The time limit is 330 minutes, and 81 scored answers are required to pass.