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Static Electricity
What I need to know about static
electricity:
1. Some insulating materials can become
electrically charged
2. Oppositely charged objects attract
3. Similarly charged objects repel
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Slide 3

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Static Electricity
· Electrons ­ negatively charged
· Protons ­ Positively charged
· Neutrons ­ neutral, equal number of
positively and negatively charged
charges.
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Static Electricity
When two insulating materials are
rubbed together, the electrons
(negatively charged) are placed onto the
other, leaving one positively charged and
the other negatively charged.
REMEMBER ­
ONLY THE ELECTRONS ARE
TRANSFERRED
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Slide 5

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Static Electricity
Static electricity...
Attracts dust, especially to household
objects e.g. TVs and Windows
Causes clothes to crackle and cling to
skin
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Slide 6

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Electrical Circuits
What I need to know or do:
· 1. An electric current is a flow of
electrons and is measured in Amps
· 2. Voltage is the push given to
electrons
· 3. Recognise the symbols used to
represent the components in circuits.
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