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WorksheetsScience 8B - Interaction of Forces
Total questions: 17
Worksheet time: 9mins
circuit
the point of average mass distribution of an object
any path that electricity can flow through
a material that easily conducts a current
battery
magnetism produced by electric charge
the movement of electric charges through a material
a device that changes stored chemical energy into electrical energy
closed circuit
an electric circuit with an unbroken path for the flow of current
a material that easily conducts a current
a state of balance
conductor
a material that easily conducts a current
an attractive or repulsive force caused by electricity
an object that produces a magnetic field
current
a machine that uses electromagnets to change electrical energy into motion energy
magnetism produced by electric charge
the movement of electric charges through a material
electromagnet
a metal object that acts as a magnet when an electric current moves through it
an object that produces a magnetic field
a unit of electrical resistance
friction
a material that doesn’t conduct energy
transferring electrons from one object to another by rubbing the objects together
the force exerted between magnetic poles
insulator
a material that doesn’t conduct energy
a material that easily conducts a current
an incomplete electrical circuit in which no current flows
magnetic field
an incomplete electrical circuit in which no current flows
coil of wire that acts like a magnet when a current passes through it
a region in space near a magnet or electric current in which magnetic forces can be detected
magnetic force
either end of a magnet
the force exerted between magnetic poles
the force exerted by a magnetic field
Ohm's Law
voltage is equal to the current x resistance, V = IR
a unit of electrical resistance
measure of how difficult it is for charges to flow through an object
open circuit
an incomplete electrical circuit in which no current flows
an electric circuit where different parts of the circuit are on several branches and there are several paths for the current to take
a force that exists between any two objects that have mass
parallel circuit
an incomplete electrical circuit in which no current flows
a circuit where all the parts are connected one after the other along the same path
an electric circuit where different parts of the circuit are on several branches and there are several paths for the current to take
resistance
measure of how difficult it is for charges to flow through an object
coil of wire that acts like a magnet when a current passes through it
a unit of measurement of force in an electrical circuit
series circuit
a system that returns to a state of equilibrium after a disturbance
a circuit where all the parts are connected one after the other along the same path
a measure of the electrical potential difference between two points
solenoid
a region in space near a magnet or electric current in which magnetic forces can be detected
a force that exists between any two objects that have mass
coil of wire that acts like a magnet when a current passes through it
static electricity
buildup of charges on an object
a unit of measurement of force in an electrical circuit
a device used to control current
