TASC Science Practice Test

The TASC Science practice test will help prepare you for the Test Assessing Secondary Completion (TASC) high school equivalency test given by CTB/McGraw-Hill. You will be tested on your knowledge of human systems, DNA, heredity and evolution; the Earth’s geography, geology, pollution and energy sources; the laws of motion; and chemical reactions. The free TASC Science practice test will help you prepare for being tested on these subjects. You can also use the accompanying answer key to review your practice test results.


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by Mometrix Test Preparation | This Page Last Updated: July 27, 2022