Science: Free Sample Lesson
Try a Science lesson with worked examples, practice questions and explanations.
Getting started
- How this course works
- What is on the GED Science test
Scientific reasoning skills
- Reading science passages
- The scientific method
- Variables and controls
- Reading tables and graphs
- Science calculations
- Evaluating evidence and claims
The human body and health
- Cells
- Body systems
- Homeostasis
- Nutrition and health
- Disease and immunity
Heredity and evolution
- DNA, genes and chromosomes
- Inheritance and Punnett squares
- Mutations and variation
- Natural selection
- Evidence for evolution
Ecosystems and energy in living things
- Photosynthesis and respiration
- Food chains and webs
- Energy flow in ecosystems
- Cycles of matter
- Populations and carrying capacity
- Human impact on ecosystems
Chemistry
- Matter and its properties
- Atoms and the periodic table
- States of matter and changes
- Chemical reactions
- Solutions, acids and bases
Physics
- Speed, velocity and acceleration
- Forces and Newton's laws
- Work, power and simple machines
- Energy and its conservation
- Heat transfer
- Waves, sound and light
- Electricity and magnetism
Earth and space science
- Earth's structure and plate tectonics
- Rocks and the rock cycle
- Weather and climate
- Natural hazards
- Earth's resources
- The solar system and universe
Test skills and practice exams
- Test strategies
- Practice exam 1
- Practice exam 2
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