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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. From the beginning of something until the end. By a particular way or process; by the use of.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

Being somewhat good, but not great.

substance

/ˈsəbstəns/

noun

Particular type of material.

contains

/kənˈtān/

verb

have or hold within.

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 let go of something you are holding.

usually

/ˈyo͞oZH(o͞o)əlē/

adverb

Normally; regularly.

measure

/ˈmeZHər/

noun verb

Tool used to calculate the size of something. 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

To experience or endure something (bad).

fraction

/ˈfrakSH(ə)n/

noun

Small part of something.

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