CLEP exam intel
CLEP Natural Sciences is a broad survey of biological and physical science for non-science majors. It rewards recognition of core concepts across biology, chemistry, physics, and earth/space science, plus the scientific method.
Pass score
50
Common CLEP credit-granting benchmark
Readiness
70-80%
Practice range before testing
Format
4 choice
Exam-native multiple choice
Step 1
Unit 1: Biological Science
Cells, genetics, evolution, and ecology are roughly half the exam.
Step 2
Unit 2: Physical Science
Energy, motion, and matter concepts are a large share.
Step 3
Unit 5: Scientific Method & History
Experimental design and data interpretation are easy, reliable points.
Step 4
Unit 3: Earth & Space Science
Geology, weather, and astronomy basics appear throughout.
Step 5
Unit 4: Chemistry Fundamentals
Atoms, reactions, and states of matter round out the physical side.
How deep does it go?
Not very. It is a non-majors survey — broad recognition of concepts across all the sciences, not deep problem-solving.
What is the easiest section to lock in?
The scientific method and data interpretation — learn experimental design (variables, control) and you bank those questions.
Use this guide to orient yourself, then check your readiness against the actual course instead of guessing.