CLEP Natural Sciences
About 120 questions in 90 minutes: half biological, half physical science. $97, plus a test center or remote proctoring fee.
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CLEP Natural Sciences is one exam of about 120 questions in 90 minutes, half biological and half physical science, and ACE recommends 6 semester hours for a score of 50 or higher. UPI Study is not a CLEP exam: Environmental Science and Intro to Biology 1 are full, self-paced online courses with lessons, quizzes and a proctored final exam. Choose CLEP if you already know the material and want one exam; choose a course if you want to learn it first.
About 120 questions in 90 minutes: half biological, half physical science. $97, plus a test center or remote proctoring fee.

3 credits Β· ACE and NCCRS
Ecosystems, biodiversity, water, food, air and climate, energy, waste and sustainable cities.

Biology 100 Β· 3 credits Β· ACE and NCCRS
Cells, the chemistry of life, energy, genetics and evolution.
The exam's two halves, from College Board, and the two courses' chapters, from their syllabi.
| CLEP Natural Sciences | Environmental Science | Intro to Biology 1 | |
|---|---|---|---|
| What it is | One exam | A full course, 14 chapters | A full course, 15 chapters |
| Time | 90 minutes | Self-paced; 44 hours | Self-paced; 66 hours |
| Final | About 120 questions | 100 multiple-choice questions | 118 multiple-choice questions |
| Passing | 50 on a 20 to 80 scale | 70 or higher | 70 or higher |
| Retakes | Not within three months | One free retake of the final | One free retake of the final |
| Credit recommendation | ACE: 6 semester hours | NCCRS 3; ACE 1 semester hour | ACE and NCCRS: 3 each |
CLEP costs $97 per exam plus a test center fee, or $30 for remote proctoring. Each UPI Study course has no proctoring or exam fees; a transcript is $20. CLEP Natural Sciences is recommended for 6 semester hours in one exam; each UPI Study course is one 3-credit course.

No. UPI Study is not a CLEP exam and not credit by exam. Environmental Science and Intro to Biology 1 are full, self-paced courses with lessons, quizzes, an assignment and a proctored final exam, and each carries ACE and NCCRS credit recommendations. They are an alternative to the CLEP Natural Sciences exam, not a version of it.
Scores run from 20 to 80, and ACE recommends 6 semester hours for a score of 50 or higher. College Board notes that each institution sets its own credit-granting policy, which may differ from ACE's.
No. It is a lecture course: its syllabus lists lessons, quizzes, one assignment and a final exam, with no laboratory course attached. If your requirement says lab science, see lab vs non-lab science credit.
For CLEP, each college sets its own policy. For UPI Study: ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities.
ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities.



















Plus many more partner colleges and ACE and NCCRS cooperating colleges.
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ACE and NCCRS have over 2,100 cooperating colleges that will consider accepting credits; the final decision is with the universities.
UPI Study facts are from our course catalog, syllabi and course rules. CLEP and AP are registered trademarks of College Board, which is not connected with UPI Study.