Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking topics in text

Using points and examples from the talk, explain the two possible ways early humans discovered how to use fire to release copper from solid rock.

Speaking recording
Votes
Average: 6.6 (1 vote)
This speaking topic by users
Post dates Users rates Contents
2019-10-02 bishoy Check this speaking
2019-10-02 bishoy 66.00 Check this speaking
2019-10-02 bishoy 66.00 Check this speaking
2019-10-02 bishoy 83.00 Check this speaking
Speaking category
Speakings by user bishoy :

Comments

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on vocabulary words:
No of characters: 751.0 578.828451883 130% => OK
No of words: 207.0 151.265690377 137% => OK
Chars per words: 3.62801932367 3.82278263415 95% => OK
Fourth root words length: 3.79308509922 3.50058242952 108% => OK
Word Length SD: 1.75883894499 1.80425224433 97% => OK
Unique words: 109.0 92.4686192469 118% => OK
Unique words percentage: 0.526570048309 0.61298525976 86% => More unique words wanted or less content wanted.
Syllable count: 244.8 182.283891213 134% => OK
Avg_syllables_per_word: 1.2 1.20543933054 100% => OK

Performance on coherence:
Topic speech coherence ratio: 0.07213288333 0.0839705835288 86% => OK

Acoustic performance on paragraphs:
How many acoustic paragraphs: 5.0 4.47071129707 112% => OK
Average paragraph length: 41.4 65.8948926009 63% => OK
STD paragraph length: 25.3345613737 19.7758100068 128% => OK
Average paragraph duration: 12.44 25.5208953607 49% => OK
STD paragraph duration: 7.13341713346 7.49434385956 95% => OK

Acoustic performance on sentences:
How many acoustic sentences: 29.0 42.9832635983 67% => OK
Average acoustic sentence length: 7.13793103448 3.78147595546 189% => OK
STD acoustic sentence length: 4.4468054239 2.94285465224 151% => OK
Average acoustic sentences duration: 2.07344827586 1.39386743896 149% => OK
STD acoustic sentences duration: 1.03950344864 0.967747756167 107% => OK

Acoustic performance on acoustic silence:(An acoustic silence means a little pause between two or more words)
How many acoustic silence: 27.0 40.4456066946 67% => OK
Total acoustic silence duration: 4.66 7.59280334728 61% => OK
Average acoustic silence duration: 0.172592592593 0.19053887516 91% => OK
STD acoustic silence duration: 0.149458097499 0.157467062838 95% => OK

Acoustic performance on acoustic words:
Total word duration: 53.06 46.3453556485 114% => OK
Average word duration: 0.256328502415 0.308780311121 83% => OK
STD word duration: 0.152578635176 0.201157623399 76% => OK

Disfluencies: like hesitations, or 'ehn' or taking a long time to pronounce a word:
How many disfluencies: 8.0 8.09623430962 99% => OK
Total_disfluencies_duration: 5.7 6.56692468619 87% => OK
Total acoustic noise duration: 2.09 3.53066945607 59% => OK

Acoustic rates:
Total speech duration: 62.2 59.5455230126 104% => Need to finish the speech on time.
Compare to expected duration: 1.03666666667 0.992425383543 104% => OK
Rate of silence: 0.434083601286 0.681803438845 64% => OK
Rate of speech: 3.32797427653 2.53813033465 131% => OK
Rate of speech by unique words: 1.75241157556 1.55221717717 113% => OK
Rate of word duration by unique words: 2.05427817565 1.99939622689 103% => OK
Average articulation rates: 0.383584285024 0.309613076454 124% => OK

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Rates: 66.6666666667 out of 100
Scores by speech e-grader: 20.0 Out of 30
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Note: the speech e-grader does NOT examine the meaning of words and ideas.