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Chapter 6.2 Notes
ELECTRICITY
•Thomas Edison invented the electric light in ___________.
•Benjamin Franklin was the first to use the terms “Positive” & “Negative”.
•He thought that charges were caused by a presence of a ____________
in various amounts:
Too Much Fluid= ______________ Charge
Too Little Fluid = ______________ Charge
•Electric Charge
A property of ________________.
Two Types of Charge Determined by balance of protons and electrons:
Positive or Negative.
STATIC ELECTRICITY
•Our bodies gain a small amount of excess negative charge
(electrons) as we walk across the carpet on a dry day.
•Anything that has excess negative or positive charge is
________________________ CHARGED.
STATIC CLING
• Clothes out of a dryer…some clothes build up a _________________ charge
(lose electrons) and others ___________________ (gain electrons).
ELECTRICAL FORCES
• Forces between positive and negative charges.
MOST MATTER IS NEUTRAL
•Has the same amount of positive and negative charges,
____________ total charge.
•If an object gains or loses one kind of charge, it is said
to be ______________________.
___________________ – the unit of electric charge.
ELECTRICAL FORCES IN ATOMS:
•Electrons in atoms stay close to the protons because
they are _____________________ to each other.
LIGHTNING:
Lightning is basically, really, really, really strong _________________ Electricity!
ELECTROSCOPE
A device containing two suspended metal leaves in a jar that move
_____________ when charged; used to detect the presence of electric charges.