Chapter 3 Materials Revision Quiz: Worked Solutions

Try the quiz first. Pause where prompted, then watch each answer explained. Length: 3 min 39 s. Captions are on: use the CC button.

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• 0:00 · Introduction
• 0:12 · Try Q1 and Q2
• 0:25 · Q1 and Q2: answers
• 0:47 · Try Q3 and Q4
• 0:59 · Q3 and Q4: answers
• 1:15 · Try Q5 and Q6
• 1:33 · Q5 and Q6: answers
• 1:49 · Try Q7
• 2:04 · Q7: answer
• 2:20 · Try Q8 and Q9
• 2:39 · Q8 and Q9: answers
• 2:56 · Try Q10
• 3:10 · Q10: answer
• 3:23 · Well done