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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.. moving in one side and out of other side of.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

Being somewhat good, but not great.

substance

/ˈsəbstəns/

noun

Quality of truth, importance, or meaningfulness.

contains

/kənˈtān/

verb

To hold something inside something else.

radioactive

/ˌrādēōˈaktiv/

adjective

Emitting harmful energy from nuclear activity.

separate
adjective noun verb

Being different from or unrelated to another. individual items of clothing suitable for wearing in different combinations. cause to move or be apart.

billions

/ˈbilyən/

noun number

1000 million. thousand million.

released

/rəˈlēs/

verb

allow or enable to escape from confinement.

usually

/ˈyo͞oZH(o͞o)əlē/

adverb

under normal conditions.

measure

/ˈmeZHər/

noun verb

Tool used to calculate the size of something. determine size or amount.

metastable

/ˈmedəstābəl/

adjective

Continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium.

produced
verb

To control the making a movie or television show.

undergo

/ˌəndərˈɡō/

verb

To experience or endure something (bad).

fraction

/ˈfrakSH(ə)n/

noun

quantity that is not whole number.

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