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Something Has Been Making This Mark For 500 Million Years

1,373,366 views

PBS Eons

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

93%
  • 10:09 / 10:49

Speech Rate:

  • 170 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

mystery

/ˈmist(ə)rē/

noun

Quality of being strange and not understood.

centimeters

/ˈsen(t)əˌmēdər/

noun other

metric unit of length, equal to one hundredth of metre. One hundredth of a meter.

scientists

/ˈsīəntəst/

noun other

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

hydrothermal

/ˌhīdrōˈTHərməl/

adjective

(Geological Science) of or relating to the action of water under conditions of high temperature, esp in forming rocksand minerals.

geometric

/ˌjēəˈmetrik/

adjective

relating to geometry.

weirder

/wird/

adjective

suggesting something supernatural.

hexagons

/ˈheksəˌɡän/

noun other

plane figure with six straight sides and angles. Flat, six-sided shape.

explorations

/ˌekspləˈrāSH(ə)n/

noun other

action of traveling in or through unfamiliar area. Acts of examining some things to learn about it.

geometry

/jēˈämətrē/

noun

Mathematical study of shapes, surfaces, and space.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

different

/ˈdif(ə)rənt/

adjective

not same as another or each other.

preserved

/prəˈzərv/

verb

To keep or maintain unchanged or perfect.

samples

/ˈsampəl/

noun other verb

small part or quantity intended to show what whole is like. Small quantities of something used as a taster. To try (e.g. food), to see if you like it.

radiate
adjective verb

arranged in or having radial pattern. To spread out from a center.

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