Just a Theory

non-scientific

A theory in science is an

explanation
- the reasons why something happens.

Theories try to apply to a wide range of situations

A good theory

Has predictive power

Can be revised, refined, rejected

Weight of evidence

A theory is the why and how of some phenomena

A law is a description of said phenomena

Examples

• Evolution by natural selection
• General relativity
• Cell theory
• Germ theory
• Plate Tectonics

Laws describe what happens whereas theories look into why

Laws

• Newton’s laws of motion
• Law of Thermodynamics
• Law of conservation of mass
• Law of reflection
• Biogenesis