Question

Diego hypothesizes that the Earth wobbles on its axis in a pattern that is repeated every 20,000 years.

Answer 1

THE ANSWER IS: Make a model

Different scientific questions and hypotheses require different types of scientific investigations. Some questions can be answered through controlled experiments. Other questions can be answered through collecting specimens, building models, and/or making observations.

For example, questions about events that occur over thousands of years are best studied through models.