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GED Science Overview and Topics

Jul 28, 2025

Overview

This lecture introduces the main topics and skills tested on the GED science portion, highlighting what subjects to study and how the exam is structured.

GED Science Test Structure

  • The GED science test lasts 90 minutes.
  • The test is divided into three sections: reading for meaning, designing and interpreting experiments, and using numbers and graphics in science.

Life Science Topics

  • Covers cell function, the human body, evolution, and ecosystem dynamics.
  • Focuses on how living things interact and survive.

Earth and Space Science Topics

  • Includes Earth's composition, geology, natural resources, weather and climate, and the universe.
  • Explores both the Earth's processes and outer space.

Physical Science Topics

  • Topics include atoms, molecules, motion, force, electricity, and magnetism.
  • Emphasizes understanding invisible physical phenomena.

Scientific Method and Analysis Skills

  • You must apply the scientific method to plan and interpret investigations.
  • Data analysis and interpretation are required to reach scientific conclusions.

Study Tools and Resources

  • Sample questions are available for practice.
  • Free study guides and detailed learning options are provided by test makers.

Key Terms & Definitions

  • Scientific Method — a process for investigating questions, including forming a hypothesis, experimenting, and analyzing results.
  • Ecosystem — a community of living organisms interacting with their environment.
  • Atom — the basic unit of matter.
  • Natural Resources — materials from Earth used by humans, such as water, minerals, and fossil fuels.

Action Items / Next Steps

  • Try the free sample question.
  • Access your student account for study guides and additional resources.
  • Watch the recommended video on the scientific method.