Www.juniorscience.ie Misconceptions Battery stores electricity Electricity from both ends of the battery Electricity is used up in a circuit Battery runs.

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Presentation transcript:

Misconceptions Battery stores electricity Electricity from both ends of the battery Electricity is used up in a circuit Battery runs out of charged particles Battery runs out of electric current Battery supplies all of the charged particles Electric current gets used up in a bulb to make it work

Misconception Correct ideas Battery stores electricityBattery stores energy When a circuit is complete, this energy is released as chemical reactions occur in the battery, and causes a drift of charged particles in the circuit

Misconception Correct ideas Electricity from both ends of the battery Electric current is in one direction only in the circuit Electrons drift away from the negative terminal of the battery The other free electrons in the circuit drift in the same direction

Misconception Correct ideas Electricity is used up in a circuit Energy is transferred and converted to other forms of energy in the circuit For example, energy is transferred and converted in a bulb to heat and light

Misconception Correct ideas Battery runs out of charged particles Battery runs out of energy There are still charged particles in the battery, but the chemical reactions producing energy (and releasing electrons) in the battery can no longer occur

Misconception Correct ideas Battery runs out of electric current Battery runs out of energy This occurs when the chemical reactions that produce energy in the battery can no longer occur

Misconception Correct ideas Battery supplies all of the charged particles The charged particles originate throughout the circuit Charged particles throughout the circuit are set in motion by the battery when the circuit is complete The charged particles are part of the atoms that make up the wires, battery and bulb

Misconception Correct ideas Electric current gets used up in a bulb to make it work Energy is transferred in the bulb, and converted to heat and light The current leaving the bulb has the same value as the current entering the bulb, because the same number of electrons enters and leaves the bulb each second