Time

Sarah and Ashton's geological timeline

http://www.dipity.com/buzasa62/geological-events_1

Things we learned:

1) first plant cells- multicellular - algae 2) mesozoic- age of dinosaurs 3) 4) 5) 6)

**1)** // About how long ago did the big bang take place? //

Around 13.7 billion years ago

**2)** // What is a black hole? //

Black holes are areas of intense gravitational pressure.

**3)** // Does the universe continue to expand? //

It continues to expand and cool to this day and we are inside of it

**4)** // Was there really a big bang? //

We tend to imagine a giant explosion. Experts, however, say that there was no explosion.

**5)** // What light elements seem to support the Big Bang Theory? //

Hydrogen and Helium found in the observable universe are thought to support the Big Bang model of origins.

=__**Time Keeps on Slippin'... **__=

//1) What is the current calendar most of the world uses / accepts? Explain who made it and why this is accepted. // The Gregorian calendar, also known as the Western calendar, or Christian calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582.

//2) What is a leap year? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 0pt;">Year with 366 days: a year with an extra day, February 29, added to make up the difference between the 365-day calendar and the actual duration of the Earth's orbit of the Sun.

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Times New Roman','serif';">3) ////<span style="color: #0070c0; font-family: 'Arial','sans-serif';">List three other types of calendars used and how they set up their calendar (ex. Lunar). // **<span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Julian calendar: ** <span style="background: none repeat scroll 0% 0% white; color: #333333; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 15.05pt; margin: 0in 0in 16.2pt;">It is introduced by Julius Caesar, was first used in 45 BC. The calendar had 365 days in a year comprising of 12 months. Every fourth year was celebrated as a leap year with a day added to February.

**<span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Gregorian calendar: ** <span style="color: #2a2a2a; font-family: 'Tahoma','sans-serif'; font-size: 10pt;">T <span style="color: #333333; font-family: 'Times New Roman','serif'; font-size: 12pt;">he most widely used calendar the world over, is named after Pope Gregory XIII who had sanctioned this type of calendar on February 24, 1582. Years in the calendar are numbered from the year Jesus Christ was born.

**<span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Hindu calendar: ** <span style="background: none repeat scroll 0% 0% white; color: #333333; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: 15.05pt; margin: 0in 0in 16.2pt;">Calendar starts on Baisakhi, which falls on April 13, marking the beginning of the harvest season. There are 12 lunar months and every month begins with the occurrence of a new moon before sunrise. There are around 29 to 30 days in a lunar month as against 30 to 31 days of Solar Calendar.

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">4) What is BC? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 0pt;">before Christ.

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">5) What is BCE? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 0pt;">Before Common Era

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">6) What is AD? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">Anno Domini

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">7) What is CE? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">Common Era

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">8) What is MYA? // <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">Million years ago

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;">//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">9) According to the timeline site how many periods of when are there and list time. //

<span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">The Big Bang: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">14000 MYA <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Formation of Earth: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">4600 MYA <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Cambrian: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">543-490 MYA <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Permian: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">290-248 MYA <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Mesozoic: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">245-65 MYA <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Stone Age: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">5 MYA – 2500 BC <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Ice Age: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">70 000 BC – 8000 BC  <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Neolithic: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">9000 BC – 4500 BC  <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Bronze Age: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">3200-1200 BC  <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Iron Age: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">1200-332 BC  <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Hellenistic Period: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">332-63 BC  <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Roman Period: 63 <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">BC- 476 <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Byzantine Period: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">330 -1453 <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Middle Ages: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">476 - 1350 <span style="background: none repeat scroll 0% 0% white; line-height: normal; margin: 0in 0in 16.2pt; text-indent: -18.15pt;"><span style="color: #00ae00; font-family: 'Times New Roman','serif'; font-size: 12pt;">Renaissance: <span style="color: #ae0095; font-family: 'Times New Roman','serif'; font-size: 12pt;">1350 – 1600

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">10) What is an eon, epoch, era, and age?

eon: **longest unit of geologic time:** a division of geologic time comprising two or more eras <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">epoch: a moment in time chosen as the origin of a particular era <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">era: a period of time made distinctive by a significant development, feature, event, or personality <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">age: the length of time that somebody or something has existed, usually expressed in years

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">11) List 3 ancient calendars. <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">Mayan calendar, Ancient Roman, Aztec calenders

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">12) List 2 ancient clocks and how they worked.

<span style="color: #00b050; font-family: 'Arial','sans-serif';">Sun clocks- <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">The moving shadows formed a kind of sundial, enabling people to partition the day into morning and afternoon. <span style="color: #00b050; font-family: 'Arial','sans-serif';">Water clocks- <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">stone vessels with sloping sides that allowed water to drip at a nearly constant rate from a small hole near the bottom.

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">13) What was a revolution in timekeeping? <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">mechanical clocks

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">14) What allows for standard, more accurate clocks? <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">Pendulum

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">15) What are time zones?  A time zone is a region on Earth, more or less bounded by lines of longitude , that has a uniform, legally mandated standard time , usually referred to as the local time

<span style="background: none repeat scroll 0% 0% white; color: #0070c0; font-family: 'Arial','sans-serif'; line-height: normal; margin: 0in 0in 12pt;">16) What is the prime meridian? <span style="background: none repeat scroll 0% 0% white; color: black; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">The zero ** meridian ** (0°), used as a reference line from which longitude east and west is measured. It passes through Greenwich, England.

//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">17) If it is 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? //

<span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Toronto: <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">11:00 AM  <span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">London: <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">4:00 PM   <span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Moscow: <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">7:00 PM   <span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Tokyo: <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">1:00 AM   <span style="color: #00b050; font-family: 'Times New Roman','serif'; font-size: 12pt;">Hawaii: <span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;"> 6:00 AM

//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">18) What is Daylight Saving time? Do we use this in Saskatchewan? //<span style="color: #333333; font-family: 'Times New Roman','serif'; font-size: 12pt;">During late winter we move our clocks one hour ahead and lose an hour during the night and each fall we move our clocks back one hour and gain an extra hour. We use this in Saskatchewan.

//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">19) Is there a year zero? // <span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">Year zero does not exist in the Gregorian calendar or in the Julian calendar. Under those systems, the year 1 BC is followed by AD 1. However, there is a year zero in astronomical year numbering (where it coincides with the Julian year 1 BC).

//<span style="color: #0070c0; font-family: 'Arial','sans-serif';">20) Are we starting a new decade in 2010 or 201 ////<span style="color: #0066cc; font-family: 'Arial','sans-serif';">1 ////<span style="color: #0070c0; font-family: 'Arial','sans-serif';">? // <span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Times New Roman','serif'; font-size: 12pt; line-height: normal; margin: 0in 0in 12pt;">2011

//<span style="color: #0066cc; font-family: 'Arial','sans-serif';">21) What is linear time? // <span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Tahoma','sans-serif'; font-size: 10pt; line-height: normal; margin: 0in 0in 0pt;">Linear time is a concept where by time is seen sequentially, as a series of events that are leading toward something: beginning, and an end.

//<span style="color: #0066cc; font-family: 'Arial','sans-serif';">22) What is cyclical time? // <span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Tahoma','sans-serif'; font-size: 10pt; line-height: normal; margin: 0in 0in 5.25pt;">Time that flows in a cycle; seasons, day and night, etc.

**<span style="color: #e36c0a; font-family: 'Arial','sans-serif'; font-size: 10pt;">Bonus Question: **

<span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: normal; margin: 0in 0in 5.25pt;">**In What Steve Miller song does time ‘keep slippin’ into the future’?**

<span style="background: none repeat scroll 0% 0% white; color: #2a2a2a; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: normal; margin: 0in 0in 5.25pt;">Fly Like An Eagle