When mite a scientist use a model

Answer

A scientist might use a model to study and understand a complex phenomenon or system by simulating it in a simplified way.

Q: What is a model in science? A: A model is a simplified representation of a complex phenomenon or system.
Q: How might a scientist use a model? A: A scientist might use a model to study and understand a complex phenomenon or system by simulating it in a simplified way. This can help them make predictions and test hypotheses without having to perform costly or dangerous experiments in the real world.