Environmental Science Test & Certification
Tests environmental science — ecosystems and biodiversity, climate and the atmosphere, and pollution, resources and sustainability — mapped to AP Environmental Science and introductory university courses. Pass to earn Environmental Science SOA-ENVS.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Environmental Science Test & Certification?
The Environmental Science Test & Certification is a free 15-minute skill test from Science of Apps. It tests environmental science — ecosystems and biodiversity, climate and the atmosphere, and pollution, resources and sustainability — mapped to AP Environmental Science and introductory university courses. Score 70% or more on its 15 questions to earn a verifiable Environmental Science certificate (SOA-ENVS). Every question is based on published standards and research — including Learn about environmental topics (US EPA), Biology 2e (OpenStax (Rice University)), Climate change: evidence (NASA) — and each answer is explained with its source.
Built for your job title
High school student, AP Environmental Science student, University student, Sustainability professional and Teacher — and anyone who wants quick, verifiable proof of Environmental Science skills for a CV or LinkedIn.
- High school student
- AP Environmental Science student
- University student
- Sustainability professional
- Teacher
What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Ecosystems and Biodiversity
33%- Energy flow and cycles
- Biodiversity
- Population dynamics
- 02
Climate and Atmosphere
33%- Greenhouse effect
- Climate evidence
- Ozone and air quality
- 03
Resources, Pollution and Sustainability
33%- Energy resources
- Water and land
- Waste and policy
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- Learn about environmental topicsUS EPA16 questions
- Biology 2eOpenStax (Rice University)7 questions
- Climate change: evidenceNASA4 questions
- Education resourcesNOAA2 questions
- The 17 Sustainable Development GoalsUnited Nations1 question
Try a sample question
Which gas is the largest contributor to human-caused global warming?
- Oxygen
- Nitrogen
- Argon
- Carbon dioxide
Show the answer
D. Carbon dioxide — CO₂ from burning fossil fuels is the largest anthropogenic greenhouse forcing. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Environmental Science
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Frequently asked questions
What is the Environmental Science Test & Certification?
The Environmental Science Test & Certification is a free 15-minute skill test from Science of Apps. It tests environmental science — ecosystems and biodiversity, climate and the atmosphere, and pollution, resources and sustainability — mapped to AP Environmental Science and introductory university courses. Score 70% or more on its 15 questions to earn a verifiable Environmental Science certificate (SOA-ENVS). Every question is based on published standards and research — including Learn about environmental topics (US EPA), Biology 2e (OpenStax (Rice University)), Climate change: evidence (NASA) — and each answer is explained with its source.
How do I take the Environmental Science Test & Certification for free?
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 Environmental Science certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Environmental Science Test & Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Learn about environmental topics (US EPA); Biology 2e (OpenStax (Rice University)); Climate change: evidence (NASA); Education resources (NOAA); The 17 Sustainable Development Goals (United Nations). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Environmental Science Test & Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Ecosystems and Biodiversity (Energy flow and cycles, Biodiversity and Population dynamics); Climate and Atmosphere (Greenhouse effect, Climate evidence and Ozone and air quality); Resources, Pollution and Sustainability (Energy resources, Water and land and Waste and policy). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Environmental Science Test & Certification?
High school student, AP Environmental Science student, University student, Sustainability professional and Teacher. It suits anyone who wants a quick, verifiable way to show Environmental Science skills, from students and career switchers to experienced professionals.
Can I take the Environmental Science Test & Certification from any country?
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/.
How long is the Environmental Science Test & Certification?
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.
How hard is the Environmental Science Test & Certification?
We rate it Intermediate: assumes hands-on experience in the role. 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.
How much do Science of Apps certifications cost?
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.
How are the tests graded?
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.
What happens if I don't pass?
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.
Do the certificates expire?
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.
Can I add the certificate to LinkedIn?
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.
How can an employer verify my certificate?
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.
Are these accredited qualifications?
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.
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