How can new experimental evidence lead to changes in scientific models of the atom?

New experimental evidence can provide insights that contradict existing models, prompting scientists to revise or replace those models to better explain observations. For example, the discovery of the electron led to the modification of the atomic model from Dalton's solid sphere to Thomson's plum pudding model.

This answer demonstrates understanding of how scientific knowledge evolves based on new data, which is crucial for grasping the nature of scientific inquiry and the development of theories.