Unit 1 - Lesson 1: Life in the Earth System

Which of the following is the CORRECT definition of a SYSTEM?

• A set of interacting components considered to be a distinct entity for the purpose of study or understanding.

• • A collection of random objects without any specific function or relationship.

• A single element or component operating independently without interaction.

• An isolated process that has no impact on other components or processes.

Answer explanation

The correct definition of a system is "A set of interacting components considered to be a distinct entity for the purpose of study or understanding." This highlights the importance of interaction among components.

Boundaries:

The space of the system to (a)   from the rest of the universe.

Example: Phone Shells / Covers

Inputs and Outputs:

_____________ are generated when the __________ are processed in some way.

• Outputs / Inputs

• Inputs / Outputs

• Shoutout / ShoutIn

• Jam In / Jam Out

Answer explanation

The correct choice is 'Outputs / Inputs' because outputs are the results generated after processing the given inputs. This reflects the typical flow of data in systems where inputs lead to outputs.

Which of these systems are a type of systems?

(Multiple Correct Answers)

• Open System

• Closed System

• Isolated System

• Random System

Answer explanation

Open, Closed, and Isolated Systems are all recognized types of systems in thermodynamics and systems theory. A Random System is not a standard classification, making the first three the correct answers.

Which of these controls is a type of control?

(Multiple Correct Answers)

• Automatic

• Manual

• Both

• Robotic

Answer explanation

Automatic and Manual are both types of controls, as they refer to different methods of operation. 'Both' is also correct since it encompasses both types.

Which of the following are NOT properties of systems?

• Boundaries

• System Organizations

• Controls

• System Models

Answer explanation

System Models are not properties of systems; they represent abstractions or representations of systems rather than inherent characteristics. Boundaries, System Organizations, and Controls are essential properties of systems.

FILL IN THE BLANKS:

Systems can range in _______ and __________ .

(Multiple Correct Answers)

• Size

• Complexity

• Dexterity

• Magnitude

Answer explanation

The correct answers are 'Size' and 'Complexity' because systems can vary significantly in both their physical dimensions and the intricacy of their components and interactions.

FILL IN THE BLANK:
(a)   Model: A smaller or larger copy of an object.

FILL IN THE BLANK:
(a)   Model: A diagram or flow chart that shows how part of a system work together.

FILL IN THE BLANK:
(a)   Model: An equation that shows data of how a system works.