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Grade 5 term 4 NS Power stations and mains > NS electricity > Flashcards

Flashcards in NS electricity Deck (10)
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1

What happens at a power station

high voltage electricity is generated from a heat source (like coal)

2

what happens in a substation?

High voltage electricity is changed to low voltage electricity and transferred to houses/buidlings

3

what do you call the structures that hold up electricity lines?

pylons

4

what are all electrical circuits made up of

source of electricity, metals wires to transport the electricity, a use for the electricity (like a bulb)

5

where is the mains electricity made

power station

6

where is high voltage electricity changed to lower voltage

sub station

7

where is the energy in catapult stored

in the stretched or twisted elastic band

8

what energy is changed in a catapult

stored energy is changed into movement energy

9

in what part of a jack in a box is energy stored?

in the compressed spring

10

what happens when you release the spring (open the box) in the jack in a box

stored energy is transferred into movement energy