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Beginnings of life | Life on earth and in the universe | Cosmology & Astronomy | Khan Academy

225,295 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 10:10 / 10:25

Speech Rate:

  • 170 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

exactly

/iɡˈzak(t)lē/

adverb

No more and no less than; precisely.

started

/stärt/

verb

To do, be or happen for the first time; begin.

ancient

/ˈān(t)SHənt/

adjective noun

of very distant past. old man.

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. thing that is unspecified or unknown.

collisions

/kəˈliZHən/

noun other

instance of colliding. Act of crashing into someone or something else.

appropriate
adjective verb

suitable or proper in circumstances. take something for one's own use.

impacting
verb

To affect someone or something greatly.

million

/ˈmilyən/

number

1,000,000.

inhospitable

/ˌinhäˈspidəb(ə)l/

adjective

Not welcoming guests; unfriendly.

because

/bēˈkəz/

conjunction

For a reason.

completely

/kəmˈplētlē/

adverb

In every way or as much as possible.

matters

/ˈmadər/

noun verb

physical substance. be significant.

consensus

/kənˈsensəs/

noun

A decision that is shared by most of a group.

hellish

/ˈheliSH/

adjective adverb

Very unpleasant; difficult to bear. extremely.

finished

/ˈfiniSHt/

adjective verb

having been completed or ended. To reach the end; to complete something.

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