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Why Do Autumn Leaves Change Color? - Instant Egghead #51

81,427 views

Scientific American

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

86%
  • 2:09 / 2:30

Speech Rate:

  • 149 wpm - Conversational

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

nutrients

/ˈn(y)o͞otrēənt/

noun other

substance that provides nourishment essential for maintenance of life and for growth. Chemical living things need to be healthy.

feeding

/fēd/

verb

give food to.

dioxide

/dīˈäkˌsīd/

noun

An oxide containing two oxides per molecule.

probably

/ˈpräbəblē/

adverb

That is likely to happen or be true.

daylight

/ˈdāˌlīt/

noun

natural light of day.

explain

/ikˈsplān/

verb

make idea or situation clear to someone by describing it in more detail.

chlorophyll

/ˈklôrəˌfil/

noun

green pigment, present in all green plants and in cyanobacteria, which is responsible for absorption of light to provide energy for photosynthesis.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

correct

/kəˈrekt/

adjective verb

True or accurate. To punish in order to improve.

intensity

/inˈtensədē/

noun

quality of being intense.

branches

/bran(t)SH/

noun other verb

part of tree growing from trunk. (Often secret) groups or subgroups of religions. To separate away from the main part.

gradually

/ˈɡrajo͞oəlē/

adverb

in gradual way.

different

/ˈdif(ə)rənt/

adjective

Not of the same kind; unlike other things.

convert
noun verb

Person switching from one belief system to another. To switch from a religion, belief etc. to another.

contain

/kənˈtān/

verb

To keep something from spreading.

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