Time

The Big Bang Theory 1)About how long ago did the big bang take place? About 13.7 billion years ago 2) What is a black hole? It is an area of intense gravitational pressure. 3) Does the universe continue to expand? Yes it does. 4) Was there really a big bang? Yes there was a big bang. 5) What light elements seem to support the Big Bang Theory? There are stars constantly being created in the ever expanding universe.

Time Keeps on Slipping 1) What is the current calendar most of the world uses / accepts? Explain who made it and why this is accepted. The most currently used calendar is the Gregorian calendar and it was invented by Pope Gregory XIII. 2) What is a leap year? Every year that is exactly divisible by 4 is a leap year, except for years that are divisible by 100. 3) List three other types of calendars used and how they set up their calendar (ex. Lunar). Lunar Calendar- The lunar calendar calculated the time of Easter. Julian Calendar- The Julian calendar assumes the time between the vernal equinox. Solar Calendars- The solar calendar is based on the seasons and the rotation of the earth around the sun. 4) What is BC? BC stands for Before Christ. 5) What is BCE? BCE stands for Before common era. 6) What is AD? AD means Anno Domini. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">7) What is CE? CE means Common Era <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">8) What is MYA? MYA means Million years ago. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">9) According to the timeline site how many periods of when are there and list time? There are 21 different periods of time. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">10) What is an eon, epoch, era, and age? A eon is the largest division of geological time. A epoch means the same thing as era. A era is a long period of time. A age is an era of history having some distinctive feature. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">11) List three ancient calendars. The Hebrew calendar, the Islamic calendar and the Mayan calendar. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">12) List two ancient clocks and how they worked. There was a water clock and a sundial. The water clock used stand with a pot on the top of the stand and a pot at the bottom of the stand. The pot on the top had a hole in the side and water was poured in and when the water level was at a certain height it was a certain time. The sundial was a upright stick with a circle of numbers around it and when the shadow was pointing to a certain number it was that time. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">13) What was a revolution of timekeeping? The revolution in timekeeping was when large mechanical clocks with big pendulums kept time 24/7. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">14) What allows for standard more accurate clocks? When Galileo Galilei created the swinging pendulum and each of the pendulums swings was exactly one second long. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">15) What are time zones? Time zones are geographical world division of 15 degrees each starting in Greenwich England. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">16) What is the prime meridian? The prime meridian is located in Greenwich England. It is where all of the world starts its time divisions <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">17) If it’s 10:00 AM in Regina, what time is it in Toronto? London? Moscow? Tokyo? Hawaii? In Toronto it would be 11:00am. In London it would be 4:00pm. In Moscow it would be 7:00pm. In Tokyo it would be 1:00 am. In Hawaii it would be 6:00 am. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">18) What is Daylight Saving Time? Do we use this in Saskatchewan? Daylight savings time is when people turn their clocks an hour back and we don’t use this in Saskatchewan because we are in the middle of the time zone and there is no reason for us to turn back our clocks. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">19) Is there a year zero? Yes but not according to the Gregorian calendars. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">20) Are we starting a new decade in 2010 or 2011? 2011 is the start of a new decade because a decade is when ten full years have passed and ten full years have not passed in 2010. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">21) What is linear time? Linear time is the concept of time. The concept of time is that time is a string that has a set course and cannot be interrupted. <span style="font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">22) What is cyclical time? Cyclical time is a cycle of everything that happens for example everything is a cycle it is born, lives, and then dies and repeats. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">﻿media type="custom" key="8486240" <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">Here is the link for it too:@http://www.dipity.com/gabere62/Geological-Time/

<span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">1. I learned that we evolved out of apes and monkeys. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">2. I learned that World War II was started because Germany invaded Poland. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">3. I learned that the Earth was formed from rocks colliding and combining together. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">4.I learned that the oldest rock on the Earth is zircon. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">5.I learned that the ordovician period consisted of conodonts, ostracods, algae and seaweed. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">6.I learned that the first sharks were not the same size of sharks we see today. <span style="color: black; font-family: 'Arial','sans-serif'; font-size: 10pt; line-height: 115%;">