PADI Open Water Practice Test

The PADI Open Water Practice Test is a free beginner-level, 15-minute skill test from Science of Apps. Practice for the PADI Open Water Diver knowledge reviews and final exam — dive equipment, physics and physiology, and dive planning, buoyancy and safety — written to PADI Open Water course content and Divers Alert Network (DAN) dive-safety guidance for 2026. Score 70% or more on its 15 questions to earn a verifiable Open Water Diver Knowledge certificate (SOA-OW). Every question is based on published standards and research — including PADI Open Water Diver course and standards (PADI), Dive health and safety resources (Divers Alert Network (DAN)) — and each answer is explained with its source.

Yes. Science of Apps has a free PADI Open Water Practice Test built on the current PADI exam outline for 2026 and 2027. It covers dive equipment, physics and physiology, and dive planning, scores you instantly and issues a verifiable certificate.

Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Open Water Diver Knowledge certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: PADI Open Water Diver course and standards (PADI); Dive health and safety resources (Divers Alert Network (DAN)). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Dive Equipment (Scuba unit, Exposure protection and Equipment checks); Physics and Physiology (Pressure and volume, Ears and sinuses and Gas effects); Dive Planning, Buoyancy and Safety (Planning, Buoyancy control and Problem management). Every question is an original scenario written to the 2026–2027 standard, with the published source named under it.

Open water diver student, Snorkeller learning to dive, Holiday diver, Refresher diver and Dive shop staff. It suits anyone who wants a quick, verifiable way to show PADI Open Water knowledge in 2026 and 2027, from students and career switchers to experienced professionals.

Knowledge development (eLearning or classroom), confined-water skill sessions and four open-water training dives. Certified divers can dive to 18 m (60 ft) with a buddy.

Yes. You complete knowledge reviews and a final exam on equipment, physics, physiology, planning and safety. This free practice test covers the same topics.

No. It is an independent practice test written to the publicly available PADI Open Water content outline for 2026 and 2027, for checking your readiness before you book the real exam. Passing earns a Science of Apps certificate rather than the official credential.

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.

We rate it Beginner: no experience needed: fundamentals and clear reasoning. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.