GED® Science: Environmental Science & Human Impact
Explore how living things interact with each other and the planet — and what happens when humans change those interactions. This course covers ecosystems, food webs, energy flow, biodiversity, climate change, pollution, natural resources, and conservation. Every lesson uses real-world examples, labeled diagrams, misconception warnings, and GED®-style practice questions with full explanations. No prior science background required.
📚 Course Curriculum
An ecosystem is all the living and nonliving things in an area, interacting together. Understanding its parts is the foundation of all environmental science. [[figure:ecosystem_levels …
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Energy captured by producers flows through an ecosystem via feeding relationships. Tracing this flow is a core GED® Science skill. [[figure:food_web A food web shows …
Open trial session →Biodiversity is the variety of life in an area — species diversity, genetic diversity, and ecosystem diversity. More biodiversity generally means a more stable ecosystem. …
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Humans are now the single largest driver of ecosystem change on Earth. Understanding these impacts is central to the GED® Science test. [[figure:carbon_cycle The carbon …
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Climate is the long-term pattern of weather in a region. Climate change refers to the shift in global climate patterns, primarily caused by the increase …
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Pollution is the introduction of harmful substances into the environment. Understanding types, sources, and effects is a frequent GED® topic. Types of pollution:. Air pollution …
Open trial session →Conservation is the careful management of natural resources to prevent depletion. Sustainability means meeting today's needs without preventing future generations from meeting theirs — the …
Open trial session →Course Syllabus
Course Outcomes
📝 Practice Questions
31 interactive questions with instant feedback and explanations.
Enroll for free to unlock the full practice bank after the trial sessions.