ged SCIENCE
ged SCIENCE
GED Science Test Prep
Adaptive practice and step-by-step video lessons for every Science topic on the GED.
380+
Practice Topics
4,000+
Practice Problems
4.9/5 Rating
Free GED Science Practice Test
Try a sample question or watch a lesson preview
What's on the GED Science Test
Every topic tested on GED Science
Life Science
- Cell biology and genetics
- Evolution and ecology
- Human body systems
- Organisms and energy
Physical Science
- Atoms and molecules
- Chemical reactions
- Energy and motion
- Waves and electricity
Earth & Space Science
- Earth systems
- Weather and climate
- Astronomy
- Natural resources
GED Science Study Guide
Start anywhere, or follow the test-aligned order
Help
1. Scientific characteristics
2. Scientific reliability
3. Research bias
3. Testable questions
4. Hypothesis formation
5. Experimental design
6. Data collection
7. Safety procedures
8. Scientific tools
9. Measurement units
10. Data presentation
11. Data analysis
12. Investigation evaluation
13. Drawing conclusions
14. Impact analysis
15. Research influences
16. Matter
17. Energy
18. Forces and Motion
19. Electricity
20. Cell Biology
21. Genetics
22. Evolution
23. Human Systems
24. Ecology
25. Earth Systems
26. Space Systems
27. Environmental Science
28 Chapters · 382 Topics
Everything You Need to Know About Science
Format and scoring, so there are no surprises on test day.
Total Duration
1 hour 30 min
One part
Passing Score
145+
Passing score (out of 200)
Number of Questions
34
Selected response, machine-scored
Cost
$30-40
Per subject (varies by state)
About the GED Science test
GED Science is one of four subjects on the GED — the high-school-equivalency credential accepted by 99% of U.S. colleges and employers. This free GED Science practice test covers life, physical, and earth science, with a step-by-step explanation for every question.
What topics does GED Science cover?
A 90-minute test split evenly between Life Science and Physical Science, with a smaller Earth & Space Science section. StudyPug covers all of them with adaptive practice and video lessons.
Is GED Science hard, and where do learners struggle most?
Most adult learners have gaps in a few specific places — usually chemical reactions, human body systems, and reading data from charts and graphs. A quick diagnostic finds those gaps, then adaptive GED Science practice fills them so you move from stuck to confident.
How is GED Science scored?
You need 145 or higher (out of 200) to pass GED Science, and each subject is scored independently — so you only retake the subjects you don't pass. Scoring 165–174 earns a College Ready designation. Our practice tracks your readiness by topic.
How StudyPug GED prep works
Take a diagnostic, watch focused video lessons on your weak topics, practise with instant step-by-step feedback, then sit a full-length mock exam. 92% of students improve their grades with StudyPug.
Science — FAQ
We've got answers to some popular questions.
Is this Science practice test free?
Yes. The Science sample question and diagnostic preview on this page are free to try. Full access to all video lessons and practice problems requires a StudyPug plan.
What does Science actually test?
Science covers: Life Science (40%), Physical Science (40%), Earth & Space Science (20%).
What score do I need to pass?
You need at least 145/200 to pass Science. The test has 30-35 questions, 90 minutes.
Is the GED the same as the CAEC?
The GED is a US high school equivalency test. Canada uses the CAEC (Canadian Adult Education Credential) instead, which covers similar subject areas but has its own distinct format, question types, and scoring. StudyPug's GED prep is built specifically around the GED blueprint.
Reviewed by the StudyPug team
Last updated Aug 13, 2026
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