Unit 1: TIME ReviewUnit 1: TIME Review

Concept of TimeConcept of Time

What is Time?What is Time?– Time identifies a measurable period during Time identifies a measurable period during

which an action, process, or condition which an action, process, or condition continues to existcontinues to exist

– Measuring time is an attempt by humans to Measuring time is an attempt by humans to create a context in which they existcreate a context in which they exist

Concept of TimeConcept of TimeWhy is time important to us?Why is time important to us?– Our language includes many sayings about Our language includes many sayings about

timetimeTime is moneyTime is moneyIt’s time to goIt’s time to goI’m wasting my timeI’m wasting my time

– SchedulesSchedulesSchool, transportation, work, appointmentsSchool, transportation, work, appointments

– Modern time-saving conveniencesModern time-saving conveniencesFast food, high-speed internet, automatic tellersFast food, high-speed internet, automatic tellers

History of Life on a 24 Hr ScaleHistory of Life on a 24 Hr Scale

MidnightMidnight Origins of Life (start of Origins of Life (start of Precambrian era)Precambrian era)

6:00 pm6:00 pm Fossils AbundantFossils Abundant

6:54 pm 6:54 pm First Fossils; invertebrates First Fossils; invertebrates and plants invade landand plants invade land

7:44 pm7:44 pm First Fossil VertebratesFirst Fossil Vertebrates

8:06 pm8:06 pm First Amphibians & Bony First Amphibians & Bony FishFish

9:15 pm 9:15 pm Primitive ReptilesPrimitive Reptiles

10:01 pm 10:01 pm First birds; flowering plants First birds; flowering plants arose; first remains of arose; first remains of mammalsmammals

10:23 pm 10:23 pm Age of reptiles; first Age of reptiles; first marsupialsmarsupials

11:06 pm 11:06 pm Age of reptiles ends; age of Age of reptiles ends; age of mammals beginsmammals begins

8 seconds before midnight 8 seconds before midnight Man appearsMan appears

4 seconds before midnight4 seconds before midnight Recorded Recorded history beginshistory begins

Exploring TimeExploring Time

To understand the past, present and To understand the past, present and future, humans have divided time into future, humans have divided time into measureable portions.measureable portions.– Eg. We divide the year into months and use a Eg. We divide the year into months and use a

calendar to measure the seasonscalendar to measure the seasons

Time TermsTime Terms

Absolute Time Absolute Time – is time measured in precise periods,dates or is time measured in precise periods,dates or

timestimesJoan of Arc was born in 1412Joan of Arc was born in 1412

The class begins at 8:30.The class begins at 8:30.

Time TermsTime Terms

Relative TimeRelative Time– Is the time measured in relation to other Is the time measured in relation to other

thingsthingsHe was born the same year as Sidney Crosby He was born the same year as Sidney Crosby

Time TermsTime Terms

Cyclical TimeCyclical Time– A record of natural cycles, that is, cycles that exist in A record of natural cycles, that is, cycles that exist in

nature, such as days or seasons. They are repeated nature, such as days or seasons. They are repeated over and over. over and over.

The earth’s rotation – relationship with the moon – day, The earth’s rotation – relationship with the moon – day, monthmonthThe earth’s revolution – relationship with the sun – year, The earth’s revolution – relationship with the sun – year, seasonseason

– The cyclical calendar that we use in our everyday The cyclical calendar that we use in our everyday lives is known as the Gregorian calendar. It was lives is known as the Gregorian calendar. It was developed under the sponsorship of Pope Gregory developed under the sponsorship of Pope Gregory XIII about 400 years agoXIII about 400 years ago

Time TermsTime Terms

Linear TimeLinear Time– Is a record of events in sequence from the Is a record of events in sequence from the

past to presentpast to present– The use of linear time allowed societies to The use of linear time allowed societies to

organize their activities over a span of many organize their activities over a span of many seasons and yearsseasons and years

Time and CultureTime and Culture

How does culture affect how time is How does culture affect how time is perceived?perceived?

Case studies:Case studies:– Business TransactionBusiness Transaction– A Formal MeetingA Formal Meeting– A Medical OfficeA Medical Office

Time QuestionsTime Questions

From Roots of SocietyFrom Roots of Society

Two setsTwo sets

Study questions are good summary of Study questions are good summary of informationinformation

Time & MeasurementTime & Measurement

Personal TimePersonal Time

Historical TimeHistorical Time

Geological TimeGeological Time

EpochEpoch

Man Measuring TimeMan Measuring Time

SundialSundial

RopesRopes

CandlesCandles

HourglassHourglass

Water ClockWater Clock

Mechanical ClockMechanical Clock

Time ZonesTime Zones

Notes on time zonesNotes on time zones

Why is Greenwich, England importantWhy is Greenwich, England important

How many time zones in the worldHow many time zones in the world

What is the reason for that number of time What is the reason for that number of time zoneszones

Time Zones of CanadaTime Zones of Canada

How does time differ between zonesHow does time differ between zones

Be able to calculate time differencesBe able to calculate time differences

Know difference between summer and Know difference between summer and winterwinter

Any of the questions can be usedAny of the questions can be used

Refer to two maps givenRefer to two maps given

ReadingsReadings

Standard Time is 100 Years Old TodayStandard Time is 100 Years Old Today– When did standard time startWhen did standard time start– What happened before standard timeWhat happened before standard time

TimeTime– 11 questions followed11 questions followed– Seven Day Week, Solar DaySeven Day Week, Solar Day

Latitude & LongitudeLatitude & Longitude

LatitudeLatitude

LongitudeLongitude

Distance Between LinesDistance Between Lines

Minutes and SecondsMinutes and Seconds

EquatorEquator