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CREST Awards
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Silver award: art restoration
This resource describes 30 hours of independent project work for a silver Crest Award on the subject of art restoration. Students start by carrying out some research about paint pigments:
- What did early artists use? How did they colour their paints? What pigments were available to them?
- What are ‘lake’ pigments?
- What different oils are used to make oil-based paints? What are the advantages and disadvantages of oil-based paints?
They then test the effects of environmental conditions on the aging of paint. Students can accelerate the aging process by using high intensity artificial lights (including UV, maybe), high temperature and/or humidity, or temperature/humidity cycling. They can also investigate suitable solvents to remove varnish but keep the paint intact.
Another common problem with paint is the loss of ‘gloss’. Students can devise a method of measuring the proportion of light reflected, then refine the method to measure the amount of light scattered at various angles
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Art restoration 419.61 KB
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Art restoration 419.61 KB
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