1. Open vs. Closed Systems

2. What is a System?
An organized group of related objects that interact to create a whole.
List some examples of systems

3. COMPONENTS OF A SYSTEM Matter and Energy move through systems.
Matter has mass and takes up space
Examples:

4. COMPONENTS OF A SYSTEM
Energy is the ability to cause change
Examples:

5. TYPES OF SYSTEMS OPEN SYSTEMS
Matter and energy both move in and out of the system.
Example: A lake, an air conditioner

6. CLOSED SYSTEMS
Energy moves in and out of the system, but matter does not.
Example: Terrarium, television

7. WHAT DO YOU THINK? Is Earth an open or closed system?
Explain your answer.

8. Boiling Pot Example
Open System
Closed System

9. Other Examples: Classroom – open or closed?
Refrigerator – open or closed?
Television – open or closed?