Atoms
Positive and negative charges begin with a(n) _________
Atom
Magnetic Forces are the ________________ and _______________ forces between two poles.
attractive, repulsive
When electrons all spin in the same direction, they create an invisible force known as _______________.
magnetism
Like magnets, the forces either __________ or ___________.
attract, repel.
What two changes impact the strength of the electric field.
Distance and amount of the charge.
If the number of protons and electrons is the same, the atom has _________ _________ or is neutral.
no charge
Electric forces occur when ________________ creates attractive and repulsive forces.
ions
The power of a magnet is known as the _______ _______.
magnetic force
The result of an imbalance of positive and negative charges in a material or object. This does not move through a current.
static electricity
To increase the strength of an electromagnet, you should ___________ the number of loops of a wire.
increase.
Atoms tend to gain or lose _________________ easily.
electrons
__________________ is a force combining both electric and magnetic forces
Electromagnetism
As the poles come close to each other they either __________ or ________.
attract, repel
When electrons flow in a circuit, a __________ is produced.
current
To increase the strength of an electromagnet, you should increase the _____ or voltage.
current
Gain of electrons causes a ____________ charge
negative
Magnetic and Electric Forces can work ______________ or together.
The farther from the poles, the ________ the field
weaker
A battery gives energy to electrons and pushes them around a circuit from the __________ terminal to the __________ terminal of the cell.
negative, positive
permanent
Loss of electrons causes a _____________ charge
positive
All matter is made of __________.
atoms
The stronger the magnet, the _____________ the field.
larger
Electric field is the area around an electric charge that experiences the _________ exerted by the electric charge.
force
To increase the strength of an electromagnet, you should change the amount of __________ ___________ that flows through it
electric current