Electrical Energy can be transferred and stored Static Electricity

Is created when there are unequal numbers of protons and electrons in atoms Protons : have a positive charge Electron: have a negative charge Can create attractive and repulsive forces

Equal Protons(+) and electrons (-) = Neutral Charge

More Protons(+) than electons (-) = positively Charged

More Electrons (-) than Protons(+) = Negative Charge Built up a static Charge -Means stationary or not moving Static electricity does not flow but rather it may jump from one object to another in the form of electrical discharge.

Charge Separation Resulting shock referred to as Electrical Discharge

Law of Electric Charges 1. Opposite Charges attract each other 2. Similar Charges repel each other 3. Charged objects attract neutral objects

Van De Graaff Generator

Current Electricity The steady flow of particles is called electrical current Requires: – Energy Source – Completed path or Circuit

Amperes Rate at which an electrical current flows – Often called “amp” (A) – Most electrical devices at home have a current of less than 15 A

Circuit Is a path that controls the flow of electricity Must include: – Conductor Material that electrical charge can move through (wire, gases and other fluids) – Energy Source – Load Device to convert electrical energy to another form of energy (light bulb)

Voltage Is the measure of how much electrical energy each charged particle carries The higher the voltage is, the greater the potential energy of each particle Volt (V) Measured with a Voltmeter