Early History
These people had the earliest recorded observations of electricity
Who were the Greeks?
This man used a kite to study lightning and electricity
Who is Franklin?
By 1820, scientists knew that electric current and ________ were same physical phenomenon
What is static electricity?
A moving or flowing electric charge is called this
What is an electric current?
Besides friction, the other ways static electricity forms
What is conduction and induction?
The time of the first recorded observations of electricity
What is 600 BC?
Galvani used this animal's legs to study muscle contractions and electric current
What is a frog?
This Danish scientist discovered the connection between magnetism and electricity
Who is Hans Oersted?
An accumulation of an electric charge that is stationary
What is static electricity?
A static electric spark is creating an arc of this
What is plasma?
He started the scientific study of electricity that continues to today
Who is William Gilbert?
Franklin coined these terms for the two types of electric charges
What is positive and negative?
This scientist's discoveries led to the development of electric motors, generators and transformers
Who is Michael Faraday?
Walking across a nylon carpet causes static electricity to be formed by this
What is friction?
Electric current is the flowing of these particles
What are electrons?
Gilbert was this to Queen Elizabeth
What is personal physician?
This "jar" can be used to hold and electric charge
What is a Leyden jar
This equation describes the relationship of the strength of a magnetic field as a function of the electric current
What is Ampere's law?
Electrons move through metal easily because it is what
What is a good conductor?
Electrons reside in these regions around an atom's nucleus
What are orbitals?
This substance informed the word "electric" from its Latin and Greek roots
What is amber?
Priestly discovered this about the force of attraction between two electric charges
What is the force of attraction varies inversely to the square of the distance?
These four equations concisely and elegantly describe all known electric and magnetic phenomena in the universe
What are Maxwell's equations?
Mr. McCarty tried to make one of these to show electric conduction
What is an electroscope?
Metals conduct electricity well because...
What is because outer orbitals overlap and electrons are able to move freely