Show:
Static Electricity
Circuits
Magnetism
Electromagnetism
Miscellaneous
100
Everything is made up of these tiny particles.
What are atoms?
100
A circuit that has no breaks in it.
What is a closed circuit?
100
The force that pushes or pulls magnetic items near a magnet.
What is magnetism?
100
Coil of wire wrapped around an iron core.
What is an electromagnet?
100
He invented a machine that used magnets to change motion in an electric current.
Who is Michael Faraday?
200
The number of positive and negative particles in an atom is usually...
What is equal?
200
A material made of atoms that pick up charges easily.
What is a conductor?
200
These are strongest at the poles.
What are pushing and pulling forces?
200
A current moving through the wire causes a ________ ________ around the electromagnet.
What is magnetic field?
200
He demonstrated the first light bulb in 1879.
Who is Thomas Edison?
300
When the positive and negative particles do not balance.
What is static electricity?
300
The ability of a substance to keep an electric charge from flowing through it easily.
What is resistance?
300
The world's largest magnet.
What is Earth?
300
You can change the _____________ of an electromagnet.
What is strength?
300
The first letter of the name Mrs. Yi and her husband has decided on for their baby (most likely).
What is __________?
400
Charged particles move between atoms in storm clouds.
What is lighting?
400
The bulbs all get the same amount of energy/
What is a series circuit?
400
Earth's magnetic poles are not the same as its...
What are geographic poles?
400
Michael Faraday made a machine that created electrical energy by turning a crank. He named it this.
What is a dynamo?
400
Zenobe Gramme developed the electric generator in _________.
When is 1870?
500
An electric field has the most strength when it is closest to a...
What is a charged object?
500
These can handle electric devices that need different amounts of current.
What are parallel circuits?
500
The inner core of Earth is probably _________ _______. It doesn't melt because it is under extremely __________ _________.
What is solid iron and high pressure?
500
A set of electromagnets, each with thin copper wire coiled around it.
What is an armature?
500
These two men described electric charges as positive or negative in the 1740s.
Who are Benjamin Franklin and Ebenezer Kinnersley?