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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

From one end or side of something to the other. From the beginning of something until the end. moving in one side and out of other side of.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

Fair and sensible; appropriate.

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

forming or viewed as unit apart or by itself. 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 free someone from a responsibility or burden.

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 grow something naturally.

undergo

/ˌəndərˈɡō/

verb

To experience or endure something (bad).

fraction

/ˈfrakSH(ə)n/

noun

Small part of something.

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