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Carbon 14 dating 2 | Life on earth and in the universe | Cosmology & Astronomy | Khan Academy

70,009 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 4:13 / 4:14

Speech Rate:

  • 173 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

calibrate

/ˈkaləˌbrāt/

verb

To adjust an instrument to take exact measurements.

perfectly

/ˈpərfək(t)lē/

adverb

in manner or way that could not be better.

animals

/ˈanəməl/

noun other

living organism. Living creatures that are not plants or people.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

estimate
noun verb

Guess or calculation of cost, size or value. To guess or calculate the cost, size or value of.

relative

/ˈrelədiv/

adjective noun

considered in relation or in proportion to something else. Members of the family.

constant

/ˈkänstənt/

adjective noun

occurring continuously. unchanging situation.

roughly

/ˈrəflē/

adverb

In a basic, simple manner.

question

/ˈkwesCH(ə)n/

noun verb

sentence worded or expressed so as to elicit information. To have or express concerns or uncertainty.

because

/bēˈkəz/

conjunction

for reason that.

measure

/ˈmeZHər/

noun verb

plan or course of action. To determine the value or importance of something.

comments

/ˈkäment/

noun other verb

remark expressing opinion. Some things you say, giving opinions; remarks. express opinion.

touched

/təCHt/

adjective verb

feeling gratitude or sympathy. To get involved with (used in negative).

atmosphere

/ˈatməsˌfir/

noun

gases surrounding the earth.

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