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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. make completely free from faults.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

Being somewhat good, but not great.

substance

/ˈsəbstəns/

noun

Having material form; existing.

contains

/kənˈtān/

verb

have or hold within.

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. To move things away from each other.

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

under normal conditions.

measure

/ˈmeZHər/

noun verb

Tool used to calculate the size of something. To calculate size, weight or temperature of.

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 manufacture something using machines.

undergo

/ˌəndərˈɡō/

verb

experience or be subjected to.

fraction

/ˈfrakSH(ə)n/

noun

quantity that is not whole number.

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