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}}

Silicon-based life | Properties of carbon | Biology | Khan Academy

69,830 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 6:28 / 6:32

Speech Rate:

  • 184 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

previous

/ˈprēvēəs/

adjective

existing or occurring before in time or order.

valence

/ˈvāləns/

noun

Relative capacity that interact with antigens.

because

/bēˈkəz/

conjunction

For a reason.

carbons
other

Chemical elements with an atomic number of 6.

involve

/inˈvälv/

verb

To have or be included as a part of something.

bonding

/ˈbändiNG/

adjective noun verb

having function of joining things securely. establishment of relationship or link with someone. To develop a close relationship with.

protons

/ˈprōˌtän/

noun other

stable subatomic particle occurring in all atomic nuclei, with positive electric charge equal in magnitude. Tiny part of atom with positive electrical charge.

remember

/rəˈmembər/

verb

To give someone a gift, e.g. birthday, wedding.

hydrogen

/ˈhīdrəjən/

noun

Lightest of all chemical elements.

example

/iɡˈzampəl/

noun verb

Thing, person which represents a category. be illustrated or exemplified.

pretend

/prəˈtend/

adjective verb

imaginary. give appearance that something is so.

covalent

/ˌkōˈvālənt/

adjective noun

of chemical bonds formed by sharing of electrons between atoms. Concerning or characterized by covalence.

molecules

/ˈmäləˌkyo͞ol/

noun other

group of atoms bonded together. Two or more atoms chemically combined.

outermost

/ˈoudərˌmōst/

adjective pronoun

Situated the farthest possible point from a center. one that is furthest from centre.

sitting

/ˈsidiNG/

adjective noun verb

in seated position. Being painted or photographed by an artist. To remain in a still position while being painted.

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