Carved stone balls are a curious type of artifact found at a number of |locations in Scotland. They date from the late Neolithic period, around 4,000 years ago. They are round in shape; they were carved from several types of stone; most are about 70 mm in diameter; and many are ornamented to some degree. Archaeologists do not agree about their purpose and meaning, but there are several theories.
One theory is that the carved stone balls were weapons used in hunting or fighting. Some of the stone balls have been found with holes in them, and many have grooves on the surface. It is possible that a cord was strung through the holes or laid in the grooves around the ball. Holding the stone balls at the end of the cord would have allowed a person to swing it around or throw it.
A second theory is that the carved stone balls were used as part of a primitive system of weights and measures. The fact that they are so nearly uniform in size - at 70 mm in diameter-suggests that the balls were interchangeable and represented some standard unit of measure. They could have been used as standard weights to measure quantities of grain or other food, or anything that needed to be measured by weight on a balance or scale for the purpose of trade.
A third theory is that the carved stone balls served a social purpose as opposed to a practical or utilitarian one. This view is supported by the fact that many stone balls have elaborate designs. The elaborate carving suggests that the stones may have marked the important social status of their owners.
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Grammar and spelling errors:
Line 5, column 216, Rule ID: ADJECTIVE_IN_ATTRIBUTE[1]
Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: same
...y were identical in size, they were not same in weight due to different mineral they contained...
^^^^^^^^^^^^^^
Transition Words or Phrases used:
but, finally, first, furthermore, however, if, nevertheless, nonetheless, second, so, still, therefore, well, whereas, while
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 14.0 10.4613686534 134% => OK
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 19.0 22.412803532 85% => OK
Preposition: 19.0 30.3222958057 63% => OK
Nominalization: 3.0 5.01324503311 60% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1271.0 1373.03311258 93% => OK
No of words: 229.0 270.72406181 85% => More content wanted.
Chars per words: 5.55021834061 5.08290768461 109% => OK
Fourth root words length: 3.89008302616 4.04702891845 96% => OK
Word Length SD: 2.63601418334 2.5805825403 102% => OK
Unique words: 134.0 145.348785872 92% => More unique words wanted.
Unique words percentage: 0.585152838428 0.540411800872 108% => OK
syllable_count: 389.7 419.366225166 93% => OK
avg_syllables_per_word: 1.7 1.55342163355 109% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 37.9645302296 49.2860985944 77% => OK
Chars per sentence: 105.916666667 110.228320801 96% => OK
Words per sentence: 19.0833333333 21.698381199 88% => OK
Discourse Markers: 10.3333333333 7.06452816374 146% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.254693195815 0.272083759551 94% => OK
Sentence topic coherence: 0.104990340122 0.0996497079465 105% => OK
Sentence topic coherence SD: 0.0711375825454 0.0662205650399 107% => OK
Paragraph topic coherence: 0.161093890289 0.162205337803 99% => OK
Paragraph topic coherence SD: 0.0257297930992 0.0443174109184 58% => OK
Essay readability:
automated_readability_index: 14.3 13.3589403974 107% => OK
flesch_reading_ease: 43.73 53.8541721854 81% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 14.91 12.2367328918 122% => OK
dale_chall_readability_score: 9.47 8.42419426049 112% => OK
difficult_words: 71.0 63.6247240618 112% => OK
linsear_write_formula: 11.5 10.7273730684 107% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
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Rates: 90 out of 100
Scores by essay e-grader: 27 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.