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History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons

122,564 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 10:59 / 11:10

Speech Rate:

  • 127 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

history

/ˈhist(ə)rē/

noun

Established pattern or record.

geological

/ˌjēəˈläjəkəl/

adjective

relating to study of earth's physical structure and substance.

ubiquitous

/yo͞oˈbikwədəs/

adjective

Found everywhere; found in many places.

comparison

/kəmˈperəsən/

noun

Act of comparing things.

timescales

/ˈtīmskāl/

noun other

time allowed for or taken by process or sequence of events. Length of time something will take.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Particular songs or dances performed during shows. To assign a sequence within a group, series, set.

precise

/prəˈsīs/

adjective

marked by exactness and accuracy of expression or detail.

geologists

/jēˈäləjəst/

noun other

expert in or student of geology. People who study the Earth's rocks, layers etc..

hostile

/ˈhästl/

adjective

Unwelcoming; showing ill will, as to an enemy.

information

/ˌinfərˈmāSH(ə)n/

noun

Collection of facts and details about something.

estimates
noun other verb

approximate calculation. Guesses or calculations of cost, size or value. roughly calculate.

earliest

/ˈərlē/

adjective adverb

Occurring the soonest of all. before usual time.

planets

/ˈplanət/

noun other

celestial body moving round star. One of the bodies that orbit the sun.

appropriate
adjective verb

Right or suitable for some situation or purpose. To take (money or goods) without permission.

operates

/ˈäpəˌrāt/

verb

To be working or being used.

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