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ASVAB/AFCT TESTS
THE GENERAL SCIENCE (GS) TEST
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25 questions in 11 minutes
The General Science test covers three general areas of science
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Life Science – biology, human nutrition, and health
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Physical Science – elementary chemistry
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Earth Science – geology, meteorology, astronomy, and ecology
The following summaries are taken from a popular ASVAB/AFCT study guide published by COMEX Systems. There are many other study guides you can find at most bookstores or on-line.
Life Science
Biology – review the structure of the cell, what it uses for energy, how it uses energy, hydrolosis, photosynthesis, protein production, reproduction of cells, meiosis, and genetics. The University of Arizona's Biology Project web site may be of help here, as will countless other sources, on the Internet and in books.
Also covered in this test may be questions on the human body: the circulatory system and blood, the respiratory system, the digestive system, the nervous system, muscles, the skeleton, the lymphatic system, the endocrine system, the excretory system, the reproductive system.
Finally, you may see questions on vitamins.
Physical Science
Chemistry topics such as the structure of the atom, the names and symbols of the most common elements, the definition of a compound, and the nature of chemical reactions may be covered on this test, as well.
Earth Science
Earth science is about the earth's structure (including the nature of volcanoes and the concept of plate tectonics). Also included in this test may be questions about the oceans, the atmosphere, gases (including, perhaps, Boyle's law), and basic astronomical terms.