Time

__** The Big Bang Theory **__ The Big Bang took place about 13.7 billion years ago.
 * 1. About how long ago did the Big Bang take place? **

A black hole is an area of intense gravitational pressure.
 * 2. What is a black hole? **

The universe does continue to expand. The theory says that the universe began as an infinitesimal singularity that expanded and cooled and to this day it continues to do so.
 * 3. Does the universe continue to expand? **

There was really no explosion but rather an expansion which continues to grow.
 * 4. Was there really a big bang? **

Elements that support the Big Bang Theory are Hydrogen and Helium.
 * 5. What light elements seem to support the Big Bang Theory? **

The Georgian Calender, also known as the Western Calender or Christian Calender, is the mostly used calender. It was created by Pope Gregory Xlll on Feb. 25, 1582 and was accepted because the previous Julian Calendar was incorrect.
 * __ 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. **

A leap year is every 4 years. It is a year with one extra day.
 * 2) What is a leap year? **

Three other types of calendars used are the Aztec calendar clock, the lunar, and the stonehenge.
 * 3) List three other types of calendars used and how they set up their calendar (ex. Lunar). **

BC means Before Christ.
 * 4) What is BC? **

BCE means before common era.
 * 5) What is BCE? **

AD means Anno Domini, which refers to the year Christ was born.
 * 6) What is AD? **

CE means common era.
 * 7) What is CE? **

MYA means million years ago.
 * 8) What is MYA? **

The big bang- 14000 MYA The formation of Earth- 4600 MYA Cambrian- 543 MYA- 490 MYA Permian- 290 MYA- 248 MYA Mesozoic- 245 MYA- 65 MYA Stone Age- 5 MYA- 2500 BC Ice Age- 70000 BC- 8000 BC  Neolithic- 9000 BC- 4500 BC  Bronze Age- 3200 BC- 1200 BC  Iron Age- 1200 BC- 332 BC  Hellenistic Period- 332 BC- 63 BC  Roman Period- 63 BC- 476 Byzantine Period- 330-1453 Middle Ages- 476- 1350 Reniassance-1350- 1600
 * 9) According to the timeline site how many periods of when are there and list time. **

An eon is the longest division of geological time. An epoch is a long period of time marked by a predominant or important person. An era is a long period of time. An age is a period of time in which something or someone has existed.
 * 10) What is an eon, epoch, era, and age? **

Three ancient calendars are the stonehenge, the Egyptian calendar, and Aztec calendar stone.
 * 11) List three ancient calendars. **

Two ancient clocks were the sun clock and the water clock. The sun clock worked by moving shadows that formed a kind of sundial, allowing people to separate the day into morning and afternoon. The water clock worked by using stone vessels with sloping sides and letting water drip at a nearly constant rate from a small hole near the bottom.
 * 12) List two ancient clocks and how they worked. **

During the middle ages of Europe, the sundials became more developed. In the early 14th century, large mechanical clocks started to appear in towers.
 * 13) What was a revolution of timekeeping? **

A balance wheel and spring assembly made clocks accurate.
 * 14) What allows for standard more accurate clocks? **

A time zone is a region on earth that has a legally mandated standard time referred to as local time.
 * 15) What are time zones? **

The prime meridian is a line of longitude which is defined to be 0'.
 * 16) What is the prime meridian? **

It would be 11:00 am in Toronto, 4:00 pm in London, 7:00 pm in Moscow, 1:00 am in Tokyo, and 6:00 am in Hawaii.
 * 17) If it’s 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? **

Daylight saving time is when clocks are set one hour or more ahead of standard time to provide more daylight at the end of the working day during late spring, summer, and early fall. It is not used in Saskatchewan.
 * 18) What is Daylight Saving Time? Do we use this in Saskatchewan? **

No there is not a year zero.
 * 19) Is there a year zero? **

We are starting a new decade in 2011.
 * 20) Are we starting a new decade in 2010 or 2011? **

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.
 * 21) What is linear time? **

Time that repeats itself in circular motion.
 * 22) What is cyclical time?﻿ **

__** Geological Timeline **__
 * __ [] __**
 * __ Evolution Presentation __**
 * __ ﻿[[file:Evolution2.notebook]] __**