Time

__**Big Bang**__

1) About how long ago did the big bang take place? 13.7 million years ago.

2) What is a black hole? Areas of intense gravitational pressure

3) Does the universe continue to expand? Yep, to this day.

4) Was there really a big bang? It's a plausibility.

5) What light elements seem to support the Big Bang Theory? Hydrogen and Helium 5/5

1) What is the current calendar most of the world uses / accepts? Explain who made it and why this is accepted. Gregorian/Because the Julian calander was approx. 11 minutes shorter accumulating at a rate of 3 days every 4 centuries.

2) What is a leap year? A year that's IS directly divisible by 4. like this year (there are a couple years which are exceptions)

3) List three other types of calendars used and how they set up their calendar (ex. Lunar). Julian, Solar; Roman, Lunar; Coptic, Solar.

4) What is BC? Before Christ.

5) What is BCE? Before Common Era.

6) What is AD? Anno Domini.

7) What is CE? Common Era.

8) What is MYA? Millions of Years Ago.

9) According to the timeline site how many periods of when are there and list time. missing 7 15:

14,000 MYA Big Bang 4,600 MYA Formation of Earth 543 MYA Cambrian 290 MYA Permian 245 MYA Mesozoic 65 MYA Cenozoic 5 MYA Stone Age 70,000 BC Ice Age 9,000 BC Neolithic 3,200 BC Bronze Age 1,200 BC Iron Age 332 BC Hellenistic 63 BC Roman 330 CE Byzantine 476 CE Middle Ages

10) What is an eon, epoch, era, and age? Eon: An indefinitely long period of time. Epoch: A particular period of time marked by distinctive features, events, etc. Era: A period of time marked by distinctive character, events, etc. Age: The length of time during which a being or thing has existed.

11) List three ancient calendars Babylonian. Egyptian. Assyrian.

12) List two ancient clocks and how they worked. Sun Dial: Used the sun to predict the approximate time. Water Clock: Used the regulatory flow of water to predict time.

13) What was a revolution of timekeeping? The gears in clocks. nope

14) What allows for standard more accurate clocks? The gears maintaining a steady pace in the body of the clocks.

15) What are time zones? Different areas of the world where the time is different.

16) What is the prime meridian? The vertical bisector of Earth where thew timezone is 0.

17) If it’s 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? Toronto-11:00 AM London-4:00 PM Moscow-8:00 PM Tokyo-1:00 AM Hawaii-6:00 AM

18) What is Daylight Saving Time? Do we use this in Saskatchewan? Where you set your clocks back an hour to preserve hours of daylight. We don't use it.

19) Is there a year zero? No, year 1.

20) Are we starting a new decade in 2010 or 2011? 2011

21) What is linear time? If //T//(//n//) = O(//n// log //n//), the time is said to be linearithmic, which means it is a function of the form //n// · log //n.//

22) What is cyclical time? The theory that time moves in a circular motion

Bonus: Fly Like an Eagle.

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__**YouTube Vids**__ 1) There were 15 periods 2) The melted rocks were melted because of an extreme collision 3) ^During the collision, the temeratures were as hot as the sun 4) Precambrian was the earliest period 5) ^Precambrian was named after Cambria, Wales 6) Even before Pangaea, the continets were separated by water 7) Hundreds of Millions of years in the future, the plates are supposed to combine into another supercontinent. 8) The Earth's surface used to be considered to be fixated in place 9) Plate tectonics is one of the greatest scientific theories in the 20th century 10) Fossils and rocks were used to theorize the existance of Pangaea

1) How many more times will supercontinents be formed from tectonic plates before our sun dies? 2) How many more periods are going to occur before our sun dies/ 3) What was living on the planet in the time of the supercontinent?

The point of watching these videos was to further our knowledge of the history of the planet we're living on.

15/48 where is time line