KS2 - Ks2 Science - Electrical Conductors And Insulators Solution - MCQGeeks.com

Q.1.

Which of these is an electrical insulator?

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Wood
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Plastic
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Silver
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Glass

Q.2.

Which of these could be used to complete an electrical circuit?

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A piece of gravel
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A rubber
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A crayon
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A pair of scissors

Q.3.

A material which is an electrical insulator does what?

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It does not allow electricity to pass through it easily
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It does not allow heat to travel through it easily
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It allows heat to travel through it easily
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It allows electricity to pass through it easily

Q.4.

Why are electrical plugs made of plastic?

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Plastic is stronger than all other materials
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Plastic is a good electrical conductor
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Plastic protects people from electricity
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Only plastic can be made into the right shape for a plug

Q.5.

A material which is an electrical conductor does what?

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It does not allow electricity to pass through it easily
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It does not allow heat to travel through it easily
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It allows heat to travel through it easily
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It allows electricity to pass through it easily

Q.6.

Why are insulators important in an electrical circuit?

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They make the circuit safe to touch
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Electricity will only flow through insulators
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Light bulbs and buzzers are only made of insulating materials
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All of the above

Q.7.

Which of these is an electrical conductor?

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Gold
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Copper
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Aluminium
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Rubber

Q.8.

Which of these is a good electrical conductor?

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Water
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Sweat
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The human body
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All of the above

Q.9.

In a complete electrical circuit, which materials does electricity flow through?

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Electrical insulators
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Electrical conductors
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Only leads or wires
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Only batteries

Q.10.

The filament in a light bulb glows because of the material's resistance. What does this mean?

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The filament does not allow the flow of electricity
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The filament speeds up the flow of electricity
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The filament slows down the flow of electricity
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The filament gets annoyed with the electricity