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ScienceCasts: Monitoring Air Quality

26,364 views

ScienceAtNASA

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

103%
  • 5:02 / 4:52

Speech Rate:

  • 130 wpm - Conversational

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

geostationary

/ˌjēōˈstāSHənərē/

adjective

(of artificial satellite of earth) moving in circular geosynchronous orbit in plane of equator.

observations

/ˌäbzərˈvāSH(ə)n/

noun other

action of observing carefully. Remarks or comments on some things you noticed.

challenges

/ˈCHalənj/

noun other verb

invitation to compete/fight. Activities you wish to try that may be hard to do. To question the correctness of something.

aircraft

/ˈerˌkraft/

noun

Vehicle that can fly.

changing

/CHānj/

verb

To exchange one kind of money for another.

airborne

/ˈerˌbôrn/

adjective

transported by air.

pollutants

/pəˈlo͞otnt/

noun other

substance that pollutes something. Toxic substance harmful to the environment.

studying

/ˈstədē/

verb

devote time and attention to gaining knowledge of academic subject.

similar

/ˈsim(ə)lər/

adjective noun

having resemblance in appearance, character, or quantity. person or thing similar to another.

addition

/əˈdiSH(ə)n/

noun

Act of adding something; thing that is added.

transformations

/ˌtran(t)sfərˈmāSH(ə)n/

noun other

thorough or dramatic change in form or appearance. A complete change in shape or form of something.

several

/ˈsev(ə)rəl/

adjective determiner pronoun

Many of. more than two but not many. More than two but not a large amount.

emissions

/əˈmiSH(ə)n/

noun other

production and discharge of something. A substance (e.g. gas) released into the air.

allowing

/əˈlou/

verb

To admit the validity or truth of something.

understand

/ˌəndərˈstand/

verb

perceive intended meaning of.

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