The Electrical Nature of Matter. Matter Matter – anything that takes up space and has mass Matter...
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Transcript of The Electrical Nature of Matter. Matter Matter – anything that takes up space and has mass Matter...
![Page 1: The Electrical Nature of Matter. Matter Matter – anything that takes up space and has mass Matter is made of atoms which have 3 parts Protons - _______.](https://reader035.fdocuments.net/reader035/viewer/2022062517/56649eb25503460f94bb8b2c/html5/thumbnails/1.jpg)
The Electrical Nature of Matter
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MatterMatter – anything that takes up space and has mass
Matter is made of atoms which have 3 parts Protons - _______ charge, located ________Neutrons - _______ charge, located _________Electrons - ______ charge, located _________
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AtomsThe basic structure of an atom has a centre (nucleus) with electrons around the outside…
![Page 4: The Electrical Nature of Matter. Matter Matter – anything that takes up space and has mass Matter is made of atoms which have 3 parts Protons - _______.](https://reader035.fdocuments.net/reader035/viewer/2022062517/56649eb25503460f94bb8b2c/html5/thumbnails/4.jpg)
Atoms…
![Page 5: The Electrical Nature of Matter. Matter Matter – anything that takes up space and has mass Matter is made of atoms which have 3 parts Protons - _______.](https://reader035.fdocuments.net/reader035/viewer/2022062517/56649eb25503460f94bb8b2c/html5/thumbnails/5.jpg)
MatterMatter – anything that takes up space and has mass
Matter is made of atoms which have 3 parts Protons - + charge, located in the nucleusNeutrons - 0 charge, located in the nucleusElectrons - - charge, located around the outside ONLY ELECTRONS MOVE IN ELECTRICITY – small and around the outside of an atom!
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• In some elements like copper, electrons can move more freely = good conductors
• In other elements like sulphur electrons are held strongly = insulators
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Which are good conductors?
• Wooden block• Plastic water bottle• Metal fork
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Insulators and Conductors
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Law of Electric Charges
Like charges repel one another, and unlike charge attract one another
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“Opposites Attract”
OR
BUT……..
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Observation
- When 2 charged objects come closer together the attraction or repulsion increases (opposite for when they are moved further apart)Charles-Augustin de Coulomb
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Static Electricity
• a charge on a substance that stays in the same place (static = not moving)
• electric charges: + and – stay in place
• If more e- than p+ build up then the object becomes _________ charged.
• If less e- than p+ build up then the object becomes __________ charged.
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Static Electricity
Neutral Positive Negative