Germ theory describes true relationships between microorganisms and how people get sick. What is a difference between germ theory and scientific laws? Germ theory developed slowly and can still be adjusted, but laws are quickly observable and do not change. Germ theory was quickly established as true, but laws slowly develop over time with new technology. Germ theory is obviously true to all people, but understanding laws requires advanced scientific education. Germ theory requires advanced scientific education to be understood, but laws are obviously true to all people.