General Science.

Knowledge of physical, biological, and earth sciences.

General Science (GS) is a technical subtest used for line-score composites. Knowledge of physical, biological, and earth sciences. Items below are part of the calibration sample (v0). Each item carries three pre-generated explanation phrasings; the runtime serves a deterministic rotation to keep cost flat. AI-explained answer (verified by reviewer queue).

Item 1 of 3Score: 0/0

Water boils at what Celsius temperature at sea level?

Independent test-prep — not affiliated with DoD or the ASVAB program. See officialasvab.com for the test program.