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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

From one end or side of something to the other. 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

Quality of truth, importance, or meaningfulness.

contains

/kənˈtān/

verb

To keep something from spreading.

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 divide two things by being in between them.

billions

/ˈbilyən/

noun number

1000 million. thousand million.

released

/rəˈlēs/

verb

To allow to leave cage, prison, etc.; let out.

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

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

produced
verb

make or manufacture.

undergo

/ˌəndərˈɡō/

verb

experience or be subjected to.

fraction

/ˈfrakSH(ə)n/

noun

Small part of something.

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