About the test
The GED® Science test measures your knowledge of life science, physical science, and earth and space science. Questions are based on science-related passages, graphs, tables, charts, and diagrams. More than half of your science test may include visuals, which means you’ll spend as much time studying a chart or graph as you will reading a question.
It is 80 minutes long and contains 50 multiple choice questions from the following areas:
- Physical science (physics and chemistry, 35%)
- Life science (45%)
- Earth and space science (20%)
Try a sample question
Choose the best possible answer.
Clay soil forms a fairly effective barrier against the movements of water. It also swells and shrinks significantly as its water content changes. Sandy soil, in contrast, allows water to move freely and does not change shape as the water content varies.
In which statement is the appropriate soil selected for its intended site?