The correct answers regarding why we use scientific models are:
a. Models are used when systems are too expensive, expansive, or impossible to use.
- This is correct because scientific models can simulate systems that are difficult or impractical to study directly, such as large-scale environmental systems or atomic-level interactions.
b. Models help you understand complex systems.
- This is also correct as models simplify complex systems, allowing researchers to analyze and gain insights into the relationships and functions within those systems.
c. Models allow exploring very small or very large systems.
- This statement is accurate too; models can be used to study phenomena at both the microscopic (e.g., molecular biology) and macroscopic (e.g., cosmology) levels.
d. Models are always expensive.
- This statement is incorrect. While some models can be expensive to create and run, many models can be created and utilized at a low cost, depending on the complexity and the resources available.
In summary, the correct answers are a, b, and c, as they highlight the practical and educational value of scientific models.
1 answer