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Radioactive Half-life Experiment - Part 1 - Equipment Overview

90,472 views

Jefferson Lab

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

89%
  • 3:43 / 4:08

Speech Rate:

  • 186 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

perfect
adjective noun verb

So good it cannot be improved. perfect tense. To do something so well, it cannot be done better.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Allowing you to pass between, or to.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

having sound judgement.

substance

/ˈsəbstəns/

noun

particular kind of matter with uniform properties.

contains

/kənˈtān/

verb

To keep something from spreading.

radioactive

/ˌrādēōˈaktiv/

adjective

emitting or relating to emission of ionizing radiation or particles.

separate
adjective noun verb

Being different from or unrelated to another. individual items of clothing suitable for wearing in different combinations. To live away from your husband or wife.

billions

/ˈbilyən/

noun number

1000 million. thousand million.

released

/rəˈlēs/

verb

To allow a film, music etc. to be sold/distributed.

usually

/ˈyo͞oZH(o͞o)əlē/

adverb

Normally; regularly.

measure

/ˈmeZHər/

noun verb

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

metastable

/ˈmedəstābəl/

adjective

(of state of equilibrium) stable provided it is subjected to no more than small disturbances.

produced
verb

make or manufacture.

undergo

/ˌəndərˈɡō/

verb

To experience or endure something (bad).

fraction

/ˈfrakSH(ə)n/

noun

quantity that is not whole number.

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