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Published byStephen Ellis Modified over 9 years ago
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Electricity Visual Vocabulary Grade 7
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CHARGE CAN NOT BE CREATED OR DESTROYED; ONLY TRANSFERRED BETWEEN OBJECTS
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ENERGY TRANSFORMATION
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CURRENT FLOW OF ELECTRONS NEEDS VOLTAGE TO FLOW
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VOLTAGE * DIFFERENCE IN ELECTRICAL POTENTIAL ENERGY; * MAKES CURRENT MOVE; * MORE VOLTAGE = MORE CURRENT
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RESISTANCE CAUSED BY: *LONGER WIRE *THINNER WIRE *MORE STUFF IN THE CIRCUIT
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BATTERY TRANSFORMS CHEMICAL ENERGY INTO ELECTRICAL ENERGY POSITIVE TERMINAL NEGATIVE TERMINAL ELECTROCHEMICAL CELL
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***USED IN HOMES ***CAN CONTROL PARTS SEPARATELY ***STAYS BRIGHT EVEN WHEN YOU TURN ON ANOTHER PART
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BATTERY/CELL BULB MOTOR BUZZER OPEN SWITCH (OFF) CLOSED SWITCH (ON)
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WHEN ELECTRICITY TRAVELS A PATH IT IS NOT SUPPOSED TO TAKE DANGEROUS: CURRENT GETS TOO HIGH AND CIRCUIT TOO HOT
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FUSE
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CIRCUIT BREAKER
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