Model the spread of an oil spill and see its environmental impact.
Oil spreads on water due to lower density, forming a thin slick. Wind and currents push the spill. Impacts: marine life suffers from coating/ingestion, seabirds lose waterproofing, coral/mangroves get smothered, and toxins enter the food chain. Containment booms limit spread. Remediation includes skimming, dispersants, and bioremediation (bacteria that eat oil).