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Glossary of electricity unit

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1st scientist to describe electricity
Thales
The scientist who named and repested the amber and wool experiment responsible for the naming of th electron
Gilbert
The two types of charges
Positive and Negative
Positive Charge=
Proton
Negative Charge=
Electron
Like charges
Repel
Unlike charges
Attract
The 3 parts of an atom
Proton, Neutron, & Electron
Electrical Charge
The concentration of electricity
Current
Rate at which electrical charges flow past a point in a circuit over a certain amount of time (A or I)
Insulator
Does not allow electricity to flow freely (rubber)
Conductor
Allows current to flow freely (copper)
Circuit
A complete or closed pathway through which charge flows
Potential Difference
The charge in potential energy divided by the total energy
Resistance
How much energy is changed to thermal or or light that electrical charges pass through
Static Electricity
Build up of positive or negative charge caused by movement of electrons
Chemical reaction
Causes energy in a battery
Three ways to observe static electricity
Attraction, Repulsion, and Spark

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