As in the case of unlike magnetic poles, unlike electric charges ____.
attract
What causes charges to move in a circuit?
Voltage
A complete, unbroken path through which electric charges can flow is a (an) ____.
Electric Circuit
Magnetic poles that are alike ____.
repel each other
The type of current produced by a battery is ____.
Direct Current
Materials that allow the charges of an electric current to move freely through them are called ____.
Conductors
Which type of energy is associated with electric currents?
Electrical Energy
A device used to open and close an electric circuit is a (an) ____.
Switch
The region around a magnet where the magnetic force is exerted is known as its ____.
Magnetic Field
An alternating current consists of charges that ____.
move back and forth in a circuit
The buildup of charges on an object is called ____.
Static Electricity
What three things allow a current to flow through a circuit?
Battery, wires, and voltage difference
A circuit composed of both a series and parallel circuit is called _____.
Complex Circuit
One part of a freely swinging magnet always points ____.
to Earth’s magnetic pole in the Northern Hemisphere
Increasing the number of loops in a solenoid will cause the strength of its magnetic field to __________________.
Increase
Law that states electric charges can be transferred from object to object, but it cannot be created or destroyed
Law of Conservation of Charge
What type of battery contains two connected plates made of different metals in conducting solution?
Wet Cell
In a series circuit with three bulbs, adding another bulb will ____.
make all the bulbs dimmer.
The closer together a magnet’s magnetic field lines are, ____.
the stronger the magnetic field
A (an) __________________ is a coil of wire that has a current.
Solenoid
Atoms become charged through what process?
Gaining or Losing Electrons
What three things could increase resistance in an electric current?
make wires thinner, longer or hotter
In a parallel circuit with three bulbs, ____.
current from each bulb has its own path
A magnetic __________________ is a grouping of billions of atoms that all have magnetic fields lined up in the same way.
domain
A solenoid with a(an) __________________ core is called an electromagnet.
Ferromagnetic