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57 Cards in this Set

  • Front
  • Back
ACCELERATION
the rate of change in velocity. Acceleration changes if speed, direction, or both change
AMPERE
the SI unit of current
CHEMICAL ENERGY
energy released when a chemical compound reacts to produce new compounds
CIRCUIT
a set of compounds connected such that they provide one or more complete paths for the movement of change
CONDUCTION
methods of energy transfer; occurs when two objects that are in contact are at unequal temperatures
CONDUCTOR
any material through which energy can be easily transferred as heat
CONSTANT
a factor that does not change in an experiment
CONTROL
a group not affected by the experiment, serves as a standard of comparison for any change that takes place in the test groups
CURRENT
produced when charges are accelerating an electric field to move to a position of lower potential energy. The rate at which these changes move through a conductor.
DEPENDANT VARIABLE
a factor that will depend on the independent variable
DISTANCE
the measure from one point to another
ELECTRICAL ENERGY
energy that’s associated with charged particles because of their positions
ELECTRICAL POTENTIAL ENERGY
the ability to move an electric charge from one point to another
ELECTRIC FIELD
a space around a charged object that causes a stationary charged object to experience an electrical force
ELECTROMAGNETIC
a coil that has a soft iron coat and that acts as a magnet when an electric current is in the coil
ELECTROMAGNETIC RADIATION
radiation consisting of electromagnetic waves including radio waves, infrared, visible light, ultraviolet, x-rays, and gamma rays
ENERGY
the ability to do work
ENERGY TRANSFORMERS
a change in the type of energy
FORCE
an action exerted on a body in order to change the body’s state of rest or motion; force has magnitude & direction
FRICTION
a force that opposes motion between two surfaces that are in contact
GENERATOR
a machine that converts mechanical energy into electrical energy
GRADUATED CYLINDER
a container for liquid with a wider base gradually narrowing to the top & marked with a graduated scale
GRAM
a metric unit of mass or weight equal to 1/1000 kilogram
GRAPH
a diagram representing a system of connections or interrelations among two or more things
GRAVITY
the force of attraction by which terrestrial bodies tend to fall toward the center of the earth
HEAT ENERGY
energy that causes changes in temperature phase of matter
HYPOTHESIS
an “if ..then “ statement
INDEPENDENT VARIABLE
a factor that you can control or adjust
INIERTIA
the tendency of an object to resist being moved or if that object is already in motion, its tendency to resist a change in speed or direction until an outside force acts upon the object
KILOGRAM
the base SI unit of mass
KINETIC ENERGY
the energy of a moving object due to its motion
MAGNET
a body that possesses the property of attracting certain substances
MASS
a measure of the amount of matter in an object
MECHANICAL ENERGY
the sum of the kinetic and potential energy of large scale objects in a system
NEWTON
the SI unit of force
PARALLEL CIRCUIT
current in each device foes not have to be the same. Sum of current in all devices = total current. A break in any one path does not interrupt the flow of electric charge in other paths. Components are connected side by side
POTENTIAL ENERGY
the stored energy resulting from the positions of objects in a system
REPULSION
when two objects push away from each other due to their electric charges
RESISTANCE
caused by internal friction, which slows the movement of charges through a conducting material
SCIENTIFIC NOTATION
a method of expressing a quantity as a number multiplied by 10 to the appropriate power
SERIES CURCUIT
the components of a circuit from one single path of a current
SOLAR ENERGY
sun uses nuclear fusion of hydrogen atoms; results in larger helium atoms this process gives off heat, light & other radiation
SPEED
the distance traveled by an object divided by the time interval during which to motion occurred
THERMAL ENERGY
the kinetic energy of substance’s atoms
VELOCITY
the speed of an object in a particular direction
VOLT
the SI unit of potential difference of electrical energy between two points of a conductor carrying a constant charge
VOLUME
a measure of the size of a body or region in 3-dimmensional space
WEIGHT
a measure of the gravitational force exerted on an object
WORK
a quantity of energy transferred by a force when it is applied to a body and causes that body to move in the direction of the force
INDUCTION
the process in which a body having electric or magnetic properties Produces magnetism, an electric charge, or an electromotive force in a neighboring body without contact
GRAVITATIONAL FIELD
the attractive effect of matter on other matter
INSULATOR
a material of such low conductivity that the flow of current through it is negligible
NUCLEAR ENERGY
energy released by reactions within atomic nuclei as in nuclear fission or fusion
OHM
the SI unit of electrical resistance
PENDULUM
a body suspended from a fixes point as to move to & fro by the action of gravity & acquired momentum
POLARIZATION
the deposit of gasses produced during electrolysis on the electrodes of a cell, increasing the resistance of the cell
ATTRACTION
the electric or magnetic force that acts between oppositely charged bodies, tending to draw them together
That’s not even the worst part