Types of magnets
object that exerts an invisible force called magnetic force
What is a Magnet
the area of magnetic force around a magnet
What is a magnetic field?
a circuit with a break
What is an open circuit?
the ends of magents
What is poles?
an object that has an equal amount of positive and negative charges
What is neutral?
an object made of matter that is permanently magnetized
What is a permanent magnet?
lines drawn to help visualize the magnetic field of a magnet
What is a magnetic field line?
a circuit without any breaks
What is a closed circuit?
a device that detects Earth's magnetic field and points toward the magnetic poles
What is a compass?
True or false? Electromagnetic's are controllable
What is true?
a temporary magnet produced by an electric current
the area of a magnetic field around a charged particle
What is an electric field?
a complete path through which electric charge can flow
What is an electric circuit?
the region of Earth's magnetic field shaped by the solar wind
What is magnetosphere?
what are electromagnetic's used in?
What is generators and motors?
a magnetic object that becomes a magnet through a process called magnetization
What is a temporary magnet?
drawn lines that help visualize the electric field around a charged particle or between charged particles
What is an electric field line?
a force that moves charges around an electric circuit
What is voltage?
a stream of electrically charged particles flowing at high speeds from the sun
What is solar wind?
Like poles ___ and unlike poles ___
what shape are the two main magnets
What is a bar and horseshoe magnet?
magnetic fields can be used to make ______
What is electricity?
all circuits need a ____
the movement of electrical charges
What is a current?
the loss of a magnet's magnetic force
What is demagnetization?