1. Level 3: The Expert Science Test
GED® Science: Full-Length Practice Exam (Level 3 - Expert) · preview lesson
This is the expert GED® Science practice exam. The format is unchanged:
- 34 questions in 90 minutes, across Life, Physical, and Earth & Space Science.
- Scored 100-200, with 145 to pass.
What makes Level 3 harder: the questions demand multi-step reasoning and quantitative work -- calculating speed, energy, or density; tracing feedback loops like blood-sugar control; and critiquing experiments for sample size, controls, and valid conclusions. Reading data closely matters more than ever.
If a study tested only 3 plants, what is the biggest weakness of its conclusion?
A tiny sample makes the results unreliable.
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