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Electricity Visual Vocabulary Grade 7. CHARGE CAN NOT BE CREATED OR DESTROYED; ONLY TRANSFERRED BETWEEN OBJECTS.

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Presentation on theme: "Electricity Visual Vocabulary Grade 7. CHARGE CAN NOT BE CREATED OR DESTROYED; ONLY TRANSFERRED BETWEEN OBJECTS."— Presentation transcript:

1 Electricity Visual Vocabulary Grade 7

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6 CHARGE CAN NOT BE CREATED OR DESTROYED; ONLY TRANSFERRED BETWEEN OBJECTS

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8 ENERGY TRANSFORMATION

9 CURRENT FLOW OF ELECTRONS NEEDS VOLTAGE TO FLOW

10 VOLTAGE * DIFFERENCE IN ELECTRICAL POTENTIAL ENERGY; * MAKES CURRENT MOVE; * MORE VOLTAGE = MORE CURRENT

11 RESISTANCE CAUSED BY: *LONGER WIRE *THINNER WIRE *MORE STUFF IN THE CIRCUIT

12 BATTERY TRANSFORMS CHEMICAL ENERGY INTO ELECTRICAL ENERGY POSITIVE TERMINAL NEGATIVE TERMINAL ELECTROCHEMICAL CELL

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15 ***USED IN HOMES ***CAN CONTROL PARTS SEPARATELY ***STAYS BRIGHT EVEN WHEN YOU TURN ON ANOTHER PART

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17 BATTERY/CELL BULB MOTOR BUZZER OPEN SWITCH (OFF) CLOSED SWITCH (ON)

18 WHEN ELECTRICITY TRAVELS A PATH IT IS NOT SUPPOSED TO TAKE DANGEROUS: CURRENT GETS TOO HIGH AND CIRCUIT TOO HOT

19 FUSE

20 CIRCUIT BREAKER


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