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CLEP Natural Science Practice Tests by Exam Edge | Updated 2020

Education doesn't always occur in a classroom setting. If you've mastered key concepts and are hoping to receive college credit for the material you already know, CLEP tests – also known as College Level Examination Program – could be the answer. Those who perform well on CLEP tests can save significant time and money by getting credit for the concepts they have already learned. CLEP Natural Science practice tests can help prepare learners for the exam.

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Detailed Explanations for Each Question
Questions per exam: 120

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We take great pride in our practice tests and their ability to help you pass your certification exam.
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Our practice tests simulate the real thing in a number of key ways:

  1. Topics covered
  2. Level of difficulty
  3. Number of questions (120 per practice test)
  4. Timed exam, proportional to the number of questions (or untimed if you prefer)
  5. Navigation
  6. The feel of the real test
  • 24/7 access
  • Compatible with any device
  • 3 different testing modes
    • Timed
    • No Time Limit
    • Explanation
  • Detailed explanations

We offer 10 online practice exams with 1,200 unique questions. Our world-class practice certification tests are designed to give you the knowledge you need to pass your CLEP Natural Science certification exam. We do this by delivering realistic practice tests that thoroughly prepare you for the CLEP Natural Science exam. Taking our CLEP Natural Science practice tests will give you the psychological advantage needed to walk into your test day with confidence.

We have ten great reasons why is the #1 source on the internet for preparing for the CLEP Natural Science test.

  • was created to focus solely on the CLEP Natural Science test. All practice test questions parallel the topics covered on the real test, are in the right proportion, as outlined in College Entrance Examination Board's published CLEP Natural Science test guidelines.

  • Our practice tests are designed to make you familiar with the real test. Our exams simulate the pressure of the real exam, by setting the per question time limit to be the same as the real exam. So when you take the actual test, you will feel comfortable with the requirements of the real exam.

  • We offer 65 online pratice exams with 5,750 unique questions to help you prepare for your CLEP Natural Science exam.

  • The low cost! The cost of ordering 5 practice tests is less than the cost of taking the real CLEP Natural Science test. In other words, it would cost you less money to order 5 practice tests, than if you failed the real test and had to retake it. Now that is a bargain!

  • If you have to stop while taking one of our tests, you can continue right where you left off. When you continue the test, you will start exactly where you were, and with the same amount of time you had remaining.

  • After you complete a test, we provide your raw score (how many you answered correctly) and our estimate of the CLEP score you would receive if you were taking the real test.

  • As you complete your practice tests, we show you which questions you answered correctly, which ones you answered incorrectly, and provide detailed step-by-step explanations for every single question on the test!

  • BBBAs a fully accredited member of the Better Business Bureau, we uphold the highest level of business standards. You can rest assured that we maintain all of the BBB Standards for Trust

  • Because the tests are web-based, there is no software to install. Our practice tests are available to you 24-hours a day. No matter where you are, you can take our practice tests on any computer with access to the internet.

  • If you need additional help, we offer specialized tutoring. Our tutors are highly qualified.

To pass the CLEP Natural Science test you need a score of 50.

The range of possible scores is 20 to 80.

At, we go to great pains to make sure that our tests are as realistic as possible. Our practice tests  help you prepare for the real test in several key ways:

  • Topics covered
  • Level of difficulty
  • Number of questions (120 per practice test)
  • Time-limit (or you can customize it)
  • Navigation
  • The feel of the real exam

We have a team of professional writers that create the questions based on the official test breakdown by topic. We are continually updating our exams to keep them in sync with the most current version of the actual certification exam.

Yes! We offer 5 subjects with 65 different exams utilizing 5,750 unique questions
* Evey subject has a free sample test

Test Name
  CLEP Biology
  CLEP Chemistry
  CLEP Mathematics
  CLEP Natural Science
  CLEP Spanish

To order full-length tests, or take a sample test, for a different subject:

Click on " Name on the Exam Name" You will be take to the orders page

For information regarding  CLEP Natural Science Certifications exam,

Please refer to College Entrance Examination Board's website at :

I purchased the CLEP Natural Science and passed my certification exam the first time. The exam questions were great and I felt fully prepared for my test.

Corey T.,

The CLEP Natural Science tests turned out to be a valuable tool for passing the actual certification exam. I actually scored 7 points higher than predicted!


I just wanted to let you know that I took all 25 of the practice tests you guys offer and I passed my CLEP Natural Science certification this morning! I could not have done it without these test questions!! Thank you for offering these as a resource. Worth every penny!!!

Kayla P.,

I just passed my CLEP Natural Science exam this morning and I have to say thank you to ExamEdge! I purchased the 5 test package and made sure to take all 5 tests at least twice, some I took more times. Working my way through the exams using the "explanation" really gave me the confidence I needed this morning. Again, Thank You! I cant wait to begin moving forward with my new career!!

Ellen M.,

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What is the CLEP Natural Science test?

Created to give credit to learners who have mastered concepts outside academia, the CLEP Natural Science test is popular among adult students. Just as Advanced Placement and International Baccalaureate tests give college credit to high school students for their knowledge of a given subject, CLEP tests reward students who have mastered key ideas outside of the classroom. Taking CLEP Natural Science practice exams is a good way to determine how you'd fare on the real thing.

Who should take the CLEP Natural Science test?

Anyone hoping to bypass the time and expense associated with college courses should consider taking the CLEP Natural Science test. While favored by non-traditional students, CLEP exams can be taken by anyone who feels confident in their mastery of a given subject area. High school students, adult learners, veterans, college students and professionals all take CLEP exams. No matter your educational background, CLEP Natural Science exam prep can provide you the silver bullet you need to ace your test.

How much does the CLEP Natural Science test cost?

CLEP Natural Science test registration is $87. In some cases, schools charge an additional $15 administration fee. Military service members do not have to pay for CLEP registration, but they may be subject to the administration fee. While the sticker price of the CLEP tests may seem offputting, you'll save substantially on the tuition you would've paid for the course you're testing out of.

How many questions are on the CLEP Natural Science test?

There are 120 multiple choice questions on the CLEP Natural Science test. These must be answered within the 90-minute testing window. CLEP Natural Science test prep should be taken seriously in the weeks leading up to the real exam. Given how much time and money a passing CLEP score could save you, it's worth doing a little extra work ahead of the test to ensure you do well.

About half of the 120 questions of the CLEP Natural Science test are about biological science. You'll be tested on your knowledge of evolution, cell organization, and patterns of heredity. For the second part of the test, you'll see questions about physical science. Prepare by studying chemical elements, the solar system, laws of thermodynamics and the Earth's geologic history.

How to prepare for the CLEP Natural Science test

Exam Edge can help give you the advantage you need to pass your CLEP Natural Science test. Our CLEP Natural Science practice tests give you an idea of how you might score on the exam if it were happening today. Just familiarizing yourself with the format and structure of the test can improve your confidence levels. Some students who are passionate about natural science are eager to take the CLEP and bypass entry-level courses. Others are less enthusiastic and hope to pass the CLEP so they do not have to sit through a course they don't find valuable. Regardless of how you feel about natural science, it's important to employ the right study strategy to pass your CLEP.

Get started now with a free sample CLEP Natural Science practice test from Exam Edge!