HiSET Science — Information & Free Practice
US · Examination information
150 free questions · Answer explanations · No signup required
HiSET Science
- Provider
- PSI Services LLC
- Format
- Multiple-choice questions; paper/computer and remote delivery depend on state availability. English version only.
- Exam questions
- Total questions: 60.
- Time limit
- 80 minutes
- Passing score
- Science subtest: at least 8 on a 1–20 scale; passing Science alone does not satisfy the full HiSET battery or state credential requirements.
Examination outline
Life Science (49%)
- Organisms, environments, and life cycles
- Interdependence of organisms
- Structure and function in living systems
- Human body systems, DNA, chromosomes, and specialized cells
Physical Science (28%)
- Physical properties
- Position and motion of objects
- Light, heat, electricity, and magnetism
- Matter and atomic structure
- Chemical reactions
Earth Science (23%)
- Earth materials and their usefulness
- Earth systems, processes, geologic structures, and time
- Earth movements and position in the solar system
- The sun, other stars, and the solar system
Examination sources
- HiSET Test Taker Bulletin
p.18, What to Study — adoption of TAAG
- HiSET Test at a Glance
p.22, The Test Framework — eligible scope
- HiSET Test at a Glance
p.21, Content Categories table and pie chart
- HiSET Test at a Glance
p.1, Information Brief — interpretation of percentages
- HiSET Test at a Glance
p.23, Science Process Categories and CCRS footnote
- HiSET Test Taker Bulletin
p.34, Passing Scores
- HiSET Test Taker Bulletin
p.33, Your Individual Test Reports
- HiSET Test at a Glance
p.21, Science — Format row
- HiSET Test Taker Bulletin
p.34, Passing Scores — subtest threshold
- HiSET Test Taker Bulletin
p.15, Step 5 — Schedule Your Test
- HiSET Test Taker Bulletin
p.7, Check Eligibility & State Requirements
- HiSET Test Taker Bulletin
p.16, Scheduling at a Test Site — available seats
- HiSET Test Taker Bulletin
p.16, Scheduling Remote Proctor — booking deadline
- HiSET Test Taker Bulletin
p.16, Scheduling Remote Proctor — equipment
- About the HiSET
What are my testing options? — languages