ESS Topic 1.2: Systems & Models

Front

What is a closed system?

Back

A closed system exchanges energy but no matter with its surroundings.

Front

Which of the following is not a system?

Back

None of the choices.

Front

What does Letter B represent in a system diagram?

Back

Process.

Front

What does Letter A represent in a system diagram?

Back

Input.

Front

What are models in the context of systems?

Back

Models are simplified versions of a system.

Front

What is an open system?

Back

An open system exchanges both energy and matter with its surroundings.

Front

What is a feedback loop in a system?

Back

A feedback loop is a process where the output of a system influences its input.

Front

What is the difference between a model and a system?

Back

A model is a representation of a system, while a system is the actual entity being studied.

Front

What is an example of a closed system?

Back

A sealed jar with a chemical reaction occurring inside.

Front

What is an example of an open system?

Back

A forest ecosystem that exchanges energy and matter with its environment.