What type of change take place in the crucible experiment described above
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The practical activity takes around 30–45 minutes, depending on the competence of the class. Students should all be standing and should wear eye protection. Students with long hair should tie it back.
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The practical activity takes around 30–45 minutes, depending on the competence of the class. Students should all be standing and should wear eye protection. Students with long hair should tie it back.
It is a good idea for students to practice lifting the lid on and off the crucible and the crucible off the pipe clay triangle before they start. This has the added bonus of checking that all the tongs are functioning correctly.
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