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

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Presentation transcript:

Electricity Visual Vocabulary Grade 7

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

ENERGY TRANSFORMATION

CURRENT FLOW OF ELECTRONS NEEDS VOLTAGE TO FLOW

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

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

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

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

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

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

FUSE

CIRCUIT BREAKER