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Refraction of seismic waves | Cosmology & Astronomy | Khan Academy

75,114 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 9:07 / 9:22

Speech Rate:

  • 200 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

boundary

/ˈbound(ə)rē/

noun

line that marks limits of area.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

because

/bēˈkəz/

conjunction

For a reason.

direction

/dəˈrekSH(ə)n/

noun

When someone tells people what to do.

seismic

/ˈsīzmik/

adjective

Of earthquakes.

continue

/kənˈtinyo͞o/

verb

To start doing again after a break, pause, or stop.

studying

/ˈstədē/

verb

To focus on learning something usually at school.

perpendicular

/ˌpərpənˈdikyələr/

adjective noun

Being at right angles to a given line or plane. line at 90° to given plane.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

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