By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Elements on Fire | MIT Chemistry Behind the Magic

13,488 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

70%
  • 3:37 / 5:06

Speech Rate:

  • 139 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

potassium

/pəˈtasēəm/

noun

chemical element of atomic number 19.

rainbow

/ˈrānˌbō/

noun

arch of colours visible in sky, caused by refraction and dispersion of sun's light by rain.

creates

/krēˈāt/

verb

bring into existence.

spectrum

/ˈspektrəm/

noun

The wavelengths of colors from red to violet.

beautiful

/ˈbyo͞odəfəl/

adjective

Having dome something well.

probably

/ˈpräbəblē/

adverb

certainly.

chemical

/ˈkemək(ə)l/

adjective noun

Made of various elements. distinct compound or substance.

lithium

/ˈliTHēəm/

noun

chemical element of atomic number 3.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To make a formal speech about something.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

strontium

/ˈsträn(t)SHēəm/

noun

Soft silver-white or yellowish metallic element.

demonstration

/ˌdemənˈstrāSH(ə)n/

noun

Public gathering showing disagreement or support.

elements

/ˈeləmənt/

noun other

essential or characteristic part. Forces of the weather, usually bad weather.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M