What is a

A A systemsystem is a group of interrelated, is a group of interrelated, interacting or interdependent parts interacting or interdependent parts

that form a complex whole.that form a complex whole.

A A systemsystem is a group of interrelated, is a group of interrelated, interacting or interdependent parts interacting or interdependent parts

that form a complex whole.that form a complex whole.

A A system system can becan be

A A system system can becan be

living or nonlivingliving or nonliving

dynamic or staticdynamic or static

made up of subsystemsmade up of subsystems

The banking system,aThe banking system,a subsystemsubsystem ofof the the monetary system, monetary system,

consists of commercial consists of commercial banks, savings banks, savings

institutions and credit institutions and credit unions. unions.

The banking system,aThe banking system,a subsystemsubsystem ofof the the monetary system, monetary system,

consists of commercial consists of commercial banks, savings banks, savings

institutions and credit institutions and credit unions. unions.

The United States has aThe United States has a monetary monetary systemsystem, , the system of money and the system of money and banking, established by law and banking, established by law and subject to control by the Federal subject to control by the Federal

Reserve.Reserve.

The United States has aThe United States has a monetary monetary systemsystem, , the system of money and the system of money and banking, established by law and banking, established by law and subject to control by the Federal subject to control by the Federal

Reserve.Reserve.

Is the banking system Is the banking system staticstatic or or dynamicdynamic? Explain. ? Explain.

Is the banking system Is the banking system staticstatic or or dynamicdynamic? Explain. ? Explain.

Many systems Many systems include include cyclescycles. . Many systems Many systems

include include cyclescycles. .

Changes can Changes can occur within occur within

cycles, cycles, which can which can affect the affect the

entire entire system.system.

Changes can Changes can occur within occur within

cycles, cycles, which can which can affect the affect the

entire entire system.system.

igneous rock

sedimentary rock

metamorphic rock

The rock cycle is The rock cycle is part of the way part of the way

planet Earth planet Earth works as a works as a

system.system.

The rock cycle is The rock cycle is part of the way part of the way

planet Earth planet Earth works as a works as a

system.system.

heat/pressure

weather/erosion

occur in systems and can be occur in systems and can be observed and measured as patterns.observed and measured as patterns.

occur in systems and can be occur in systems and can be observed and measured as patterns.observed and measured as patterns.

andand

Many systems in equilibrium, Many systems in equilibrium, including including cyclescycles, have a number of , have a number of

parts that remain parts that remain constantconstant. .

Many systems in equilibrium, Many systems in equilibrium, including including cyclescycles, have a number of , have a number of

parts that remain parts that remain constantconstant. .

Natural Natural changes changes occur within the occur within the rock cycle, yet rock cycle, yet

the cycle itself is the cycle itself is relatively relatively constantconstant. .

Natural Natural changes changes occur within the occur within the rock cycle, yet rock cycle, yet

the cycle itself is the cycle itself is relatively relatively constantconstant. .

igneous rock

sedimentary rock

metamorphic rock

heat/pressure

weather/erosion

ConstancyConstancy and and changechange can both be can both be observed in patterns in ecosystems.observed in patterns in ecosystems.ConstancyConstancy and and changechange can both be can both be

observed in patterns in ecosystems.observed in patterns in ecosystems.

The relationship The relationship between the between the numbersnumbers of of

predators and predators and prey in an prey in an ecosystem ecosystem

changeschanges from from year to year.year to year.

The relationship The relationship between the between the numbersnumbers of of

predators and predators and prey in an prey in an ecosystem ecosystem

changeschanges from from year to year.year to year.

Abiotic changes also occur regularly Abiotic changes also occur regularly (seasonal), and irregularly (drought, (seasonal), and irregularly (drought, forest fires, etc.) within ecosystems.forest fires, etc.) within ecosystems.

Abiotic changes also occur regularly Abiotic changes also occur regularly (seasonal), and irregularly (drought, (seasonal), and irregularly (drought, forest fires, etc.) within ecosystems.forest fires, etc.) within ecosystems.

Counterbalancing changes are often Counterbalancing changes are often necessary for a system to maintain necessary for a system to maintain

homeostasis and to retain its homeostasis and to retain its essential constancy in spite of essential constancy in spite of

changing conditions.changing conditions.

Counterbalancing changes are often Counterbalancing changes are often necessary for a system to maintain necessary for a system to maintain

homeostasis and to retain its homeostasis and to retain its essential constancy in spite of essential constancy in spite of

changing conditions.changing conditions.

Sports AnalogiesSports AnalogiesSports AnalogiesSports Analogies

The players change, but the team The players change, but the team remains.remains.

The players change, but the team The players change, but the team remains.remains.

What happened to the team when…What happened to the team when…What happened to the team when…What happened to the team when…

… … Alex Rodriguez left the Texas Alex Rodriguez left the Texas Rangers?Rangers?

… … Troy Aikman retired?Troy Aikman retired?

… … Eddie Belfour lost his position to Eddie Belfour lost his position to Marty Turco?Marty Turco?

BibliographyBibliographyBibliographyBibliography

Environmental Science. 2003. Jones and Bartlett Publishers. Available: online http://environment.jbpub.com/chapterreview.cfm?chapternumber=7 Vehicles for Understanding and Doing.. 2003. Jones and Bartlett Publishers.

Available: online http://www.coe.uga.edu/framework/chapters/3three.html

AAAS Project 2061 Benchmarks for Science Literacy. 2003. NASA. Available: online

http://www.nsip.net/solarexplorer/grades.cfm

Modified from 2004 Plano ISD