Answers for “The history of glass” with explanation

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Answers for “The history of glass” with explanation

Answers Keywords Location Explanations
1. obsidian

 

early humans, sharp P1 L1 From our earliest origins, man has been making use of glass. Historians have discovered that a type of natural glass – obsidian – … was first used as tips for spears.
  • Man from our earliest origins = early human
  • Tip = sharp point
  • Make use of = use
2. spears

 

early humans, sharp P1 L1 From our earliest origins, man has been making use of glass. Historians have discovered that a type of natural glass – obsidian – … was first used as tips for spears.
  • Man from our earliest origins = early human
  • Tip = sharp point
  • Make use of = use
3. beads

 

4000 BC, man-made glass paragraph 1, lines 8-11 Archaeologists have even found evidence of man-made glass which dates back to 4000 BC; this took the form of glazes used for coating stone beads.
  • Coat = cover
  • the thing that was made of stone was beads.
4. impurities

 

First century BC, colored paragraph B, lines 3-5 The glass made during this time was highly colored due to the impurities of the raw material.
  • Due to = because of
5. Romans

 

until 476 AD, only, knew paragraph 2, lines 9-17 The secret of glass making was taken across Europe by the Romans during this century. However, they guarded the skills and technology required to make glass very closely, and it was not until their empire collapsed in 476 AD that glass-making knowledge became widespread throughout Europe and the Middle East.
  • they guarded= Romans
  • Glass-making knowledge = how to make glass

 

6. lead

 

17th century, George Ravenscroft, paragraph 3, Line 5-8 He attempted to counter the effect of clouding that sometimes occurred in blown glass by introducing lead to the raw materials used in the process.
  • He= George Ravenscroft,
  • Counter= avoid
7. clouding

 

17th century, George Ravenscroft, paragraph 3, Line 5-8 He attempted to counter the effect of clouding that sometimes occurred in blown glass by introducing lead to the raw materials used in the process.
  • He= George Ravenscroft,
  • Counter= avoid
8. taxes

 

Mid-19th century, British glass production paragraph 4, lines 1-6 In Britain, the modern glass industry only really started to develop after the repeal of the Excise Act in 1845. Before that time, heavy taxes had been placed on the amount of glass melted in a glasshouse, and were levied continuously from 1745 to 1845.
9. TRUE

 

1887, HM Ashley Paragraph 5, line 4-8 …..owner HM Ashley introduced……….

…………..more than three times quicker than any previous production method.

  • more than three times quicker= more than three times fastest than any other
10. FALSE

 

Michael Owens, fully automated Paragraph 5, line 8-10 ………..founder of the Owens Bottle Machine Company.
  • Founder = owner
  • Michael Owens owned a large US company, he was not hired by them.
11. NOT GIVEN

 

Nowadays, large international manufacturers Not mentioned about large international manufactures
12. TRUE

 

Concern, environment, leading to paragraph 7, the first few lines …… and with growing consumer concern for green issues, glass bottles and jars are becoming even more popular.
  • the environmental issues =green issues
  • even more popular =increased demand
13. FALSE more expensive, produce recycled glass,  manufactured paragraph 7, lines 6-10 As less energy is needed to melt recycled glass than to melt down raw materials, this also saves fuel and production costs.
  • saves production cost= cheap manufacturing cost

 

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