Properties of materials - part 2

Copper is a conductor. Electricity can pass through it.

Plastic is an insulator. Electricity cannot pass though it.

Silicon is a semiconductor. Electricity can pass through it under certain condensations.

Choose the correct answers to complete the sentences below.

1) Cables [pick one]isare [pick one]covered withmade of [pick one]plasticsiliconcopperglass because it is [pick one]a semiconductortoughan insulatortransparentrigida conductorflexible .

2) A keyboard [pick one]isare [pick one]covered withmade of [pick one]plasticsiliconcopperglass because it is [pick one]a semiconductortoughan insulatortransparentrigida conductorflexible .

3) Microchips [pick one]isare [pick one]covered withmade of [pick one]plasticsiliconcopperglass because it is [pick one]a semiconductortoughan insulatortransparentrigida conductorflexible .

4) Light bulbs [pick one]isare [pick one]covered withmade of [pick one]plasticsiliconcopperglass because it is [pick one]a semiconductortoughan insulatortransparentrigida conductorflexible .

5) Wire [pick one]isare [pick one]covered withmade of [pick one]plasticsiliconcopperglass because it is [pick one]a semiconductortoughan insulatortransparentrigida conductorflexible .