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}}

Introduction to experimental design | High school biology | Khan Academy

69,205 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 8:47 / 8:59

Speech Rate:

  • 179 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

confident

/ˈkänfədənt/

adjective noun

feeling or showing confidence in oneself. confidant.

hunches

/hən(t)SH/

noun other verb

feeling or guess based on intuition. Guess that something is correct. raise shoulders and bend forward.

hypothesis

/hīˈpäTHəsəs/

noun

A theory trying to explain something.

experiments
noun other verb

scientific procedure. Tests performed to assess new ideas or theories. To try something new that you haven't tried before.

because

/bēˈkəz/

conjunction

For a reason.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

hundreds

/ˈhəndrəd/

noun number

subdivision of county or shire. ten more than ninety.

accumulate

/əˈkyo͞om(y)əˌlāt/

verb

To gather or acquire so that you have more of it.

proving

/ˈpro͞oviNG/

noun verb

testing of remedy. To demonstrate truth by providing evidence.

baseline

/ˈbāsˌlīn/

noun

Imaginary standard by which things are compared.

scientific

/ˌsīənˈtifik/

adjective

based on or characterized by methods and principles of science.

represents

/ˌreprəˈzent/

verb

be entitled to act for someone.

whether

/ˈ(h)weT͟Hər/

conjunction

If something will happen or not.

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