Question

IV. Complete the analogies:
1. Graphite : _______________________:: Rubber: Electric insulator
2. Transparent: Glass:: Translucent :________________________

Answer 1

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Answer 2

1. Graphite: Electrical conductor:: Rubber: Electric insulator

• An electrical conductor is a substance that allows electricity to flow through it. Example - metals
• Graphite is also a conductor because it has delocalized electrons.
• On the other hand, insulators do not allow electricity to flow through them. Example - rubber

2. Transparent: Glass:: Translucent: Plastic

• The substances which allow light to cross through them are called transparent. Example - glass
• The substances which allow only a small amount of light to cross through them are called translucent. Example - plastic cup