13.8 billion years ago: The Big Bang
| Time Period | Duration | Description |
| Planck Epoch | From the start to 10−43 seconds after th ... | Very little concrete [confirmed] informa ... |
| Grand Unification Epoch | Between 10−43 to 10−36 seconds after the ... | The result of the universe expanding and ... |
| Electroweak Epoch | Between 10−36 seconds to 10−12 seconds a ... | The universe cools down to 10 28 kelvin. ... |
| Inflationary Epoch | Between 10−36 seconds to 10−32 seconds a ... | The shape of the universe flattens due t ... |
What are the four major periods of time?
The Four Eras of the Geologic Time Scale
- Precambrian Time: 4.6 billion to 542 Million Years Ago. Precambrian Time started at the beginning of the Earth 4.6 billion years ago. ...
- Paleozoic Era: 542 Million to 250 Million Years Ago. ...
- Mesozoic Era: 250 Million to 65 Million Years Ago. ...
- Cenozoic Era: 65 Million Years Ago to the Present. ...
What are the periods of time on Earth?
What are the 5 geological periods?
- Cenozoic Era: Topic. Last major division of geologic time lasting from 65 million years ago to the present. …
- Mesozoic Era: Topic. [Gr.,=middle life], major division of geologic time (see Geologic Timescale, table) from 65 to 225 million years ago. …
- Paleozoic Era. …
- Precambrian: Topic. …
- Archean Eon. …
- Proterozoic Eon.
What time period should I study?
The traditional rule says that you should study two hours for every hour that your class meets. In reality, every student has easy courses that require much less study time. Still, for the difficult classes, the two-for-one ratio is a good idea.
What is another word for period of time?
synonyms for period of time. Compare Synonyms. amount. breadth. degree. duration. expansion. intensity. length.
What is period of time with example?
1. The definition of a period is a space of time between two events or a portion of time. An example of period is the Renaissance era. An example of period is the first class of the day. An example of period is a female's menstrual cycle.
What is another word for a period of time?
Some common synonyms of period are age, epoch, and era. While all these words mean "a division of time," period may designate an extent of time of any length.
What is period of time and point of time?
A time point can be within a period that is defined by a duration before or after a time point. For example, 'the purchase event' is within 2 hours after the start of 'the business trip' . This expression is equivalent to 'the purchase event' is during the period of 2 hours after the start of 'the business trip' .
What does a limited period of time mean?
1. time limit - a time period within which something must be done or completed.
What is another word for short period of time?
1 fleeting, evanescent, transient, momentary, brief.
What is a short period of time?
moment. noun. a very short period of time.
What do you call a length of time?
Duration is how long something lasts, from beginning to end. A duration might be long, such as the duration of a lecture series, or short, as the duration of a party. The noun duration has come to mean the length of time one thing takes to be completed.
What is a period of time?
Noun. 1. period of time - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period". period, time period. fundamental measure, fundamental quantity - one of the four quantities that are the basis of systems of measurement.
What is the meaning of hours?
hours - an indefinite period of time; "they talked for hours". downtime - a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions) uptime - a period of time when something (as a machine or factory) is functioning and available for use.
What is the name of the period of time that it takes for a planet to make a complete revolution around the?
Indian summer, Saint Martin's summer - a period of unusually warm weather in the autumn. year - the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; "a Martian year takes 687 of our days".
What is a civil day?
calendar day, civil day - a day reckoned from midnight to midnight. festival - a day or period of time set aside for feasting and celebration. daylight, daytime, day - the time after sunrise and before sunset while it is light outside; "the dawn turned night into day"; "it is easier to make the repairs in the daytime".
What is the term for the period of time during which milk is secreted?
lactation - the period following birth during which milk is secreted; "lactation normally continues until weaning". time of life - a period of time during which a person is normally in a particular life state. calendar day, civil day - a day reckoned from midnight to midnight.
What does "work time" mean?
work time - a time period when you are required to work. time off - a time period when you are not required to work; "he requested time off to attend his grandmother's funeral". bout - a period of illness; "a bout of fever"; "a bout of depression".
What is a trial period?
test period, trial period - a period of time during which someone or something is tested. time frame - a time period during which something occurs or is expected to occur; "an agreement can be reached in a reasonably short time frame". hours - an indefinite period of time; "they talked for hours".
What does a focus on period of time mean?
A high focus on period of time means you require a specific sense of time to have passed before you can be convinced of a person, competency, or a business idea.
What is a high focus on period of time?
A high focus on period of time means you require a specific sense of time to have passed before you can be convinced of a person, competency, or a business idea. The specific length of time varies from person to person and in different business contexts.
Why do we need deadlines?
Many people need to set a deadline to inspire themselves to make forward progress. But, with regard to a period of time, this is about accomplishing the opposite.
Who was the Greek philosopher who embraced letting a period of time pass before making decisions?
Socrates. You’d be hard-pressed to identify someone who embraced letting a period of time pass before making decisions than Greek philosopher, Socrates. He was by no means a rash decision-maker, as evidenced by his development of the Socratic Method—which involves asking a series of questions to encourage critical thinking ...
Is it foreign to let a period of time pass?
If you have the tendency to go with your knee-jerk reactions or first impulses, getting comfortable with le tting a period of time pass is going to feel foreign.
What is the period between prehistory and history?
Protohistory – Period between prehistory and history, during which a culture or civilization has not yet developed writing but other cultures have already noted its existence in their own writings; the absolute time scale of "protohistory " varies widely depending on the region, from the late 4th millennium BCE in the Ancient Near East to the present in the case of uncontacted peoples.
What is geologic time scale?
The geologic time scale covers the extent of the existence of Earth, from about 4600 million years ago to the present day. It is marked by Global Boundary Stratotype Sections and Points. Geologic time units are (in order of descending specificity) eons, eras, periods, epochs, and ages; and the corresponding chronostratigraphic units, which measure "rock-time", are eonothems, erathems, systems, series, and stages.
What is the Greek and Roman world called?
Classical Antiquity – Broad term for a long period of cultural history centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome, collectively known as the Greco-Roman world. It is the period in which Greek and Roman society flourished and wielded great influence throughout Europe, North Africa and the Middle East.
How many lines are there in a logarithmic timeline?
Logarithmic timeline shows all history on one page in ten lines.
What was the Victorian era?
Victorian era (the United Kingdom, 1837–1901); British hegemony (1815-1914) much of world, around the same time period.
What is contemporary history?
Contemporary History – History within living memory. It shifts forward with the generations, and today is the span of historic events from approximately 1945 that are immediately relevant to the present time.
What is post classical history?
Post-Classical History – Period of time that immediately followed ancient history. Depending on the continent, the era generally falls between the years CE 200–600 and CE 1200–1500. The major classical civilizations that the era follows are Han China (ending in 220), the Western Roman Empire (in 476), the Gupta Empire (in the 550s), ...
antonyms for period of time
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
WORDS RELATED TO PERIOD OF TIME
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
What is the time period of oscillation?
The time period of oscillation of a wave is defined as the time taken by any string element to complete one such oscillation.
What is Frequency?
We define the frequency of a sinusoidal wave as the number of complete oscillations made by any element of the wave per unit of time. By the definition of frequency, we can understand that if a body is in periodic motion, it has undergone one cycle after passing through a series of events or positions and returning to its original state. Thus, frequency is a parameter that describes the rate of oscillation and vibration.
What is a wave?
A wave is a disturbance that travels through a medium from one location to another location.
Is sinusoidal motion periodic?
As we know, sinusoidal or harmonic motion is periodic in nature, i.e. the nature of the graph of an element of the wave repeats itself at a fixed duration. To mark the duration of periodicity following terms are introduced for sinusoidal waves. Following is the table explaining other related concepts of waves:
