What is an interconnection of electrical elements forming a
complete path for the flow of current
100
diffraction
What is the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
100
experiment
What is a procedure that is carried out and repeated under
controlled conditions in order to discover, demonstrate, or
test a hypothesis; includes all components of the scientific
method
100
investigation
What is a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
200
amplitude
What is in any periodic function (e.g., a wave) the maximum
absolute variation of the function
200
compound
What is a substance made up of a combination of two or more
elements held together by chemical bonds that cannot be
separated by physical means
200
efficiency
What is the relative effectiveness of a system or device determined
by comparing input and output
200
frequency
What is the number of cycles or waves per unit time
200
magnetic
What is having the property of attracting iron and certain other
materials by virtue of a surrounding field of force
300
calorie
What is unit of energy; the amount of heat needed to raise one gram
of water one degree Celsius at standard atmospheric
pressure
300
condensation
What is the process of changing from a gas (i.e., water vapor) to a
liquid (i.e., dew); the act of making more dense or compact
300
electromagnetic radiation
What is the emission and propagation of the entire range of the
electromagnetic spectrum including: gamma rays, x-rays,
ultraviolet radiation, visible light, microwaves, and radio
waves
300
fulcrum
What is the pivot point of a lever
300
magnetic field
What is the region where magnetic force exist around magnets or
electric currents
400
change of state
What is a physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid)
400
conduction
What is the transmission of heat through a medium and without the
motion of the medium
400
energy transfer
What is a change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical)
400
inclined plane
What is a type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point
400
mixture
What is the product of a thorough blending of two or more
substances, not chemically combined
500
chemical change
What is a reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
500
density
What is concentration of matter of an object; number of individuals
in the same species that live in a given area; the mass per
unit volume of a substance in a given area
500
entropy
What is a measure of randomness or disorder of a closed system
500
inertia
What is the property of an object, due to its mass, that causes it to
resist any change in its motion unless overcome by a force
500
neutral
What is a particle, object, or system that lacks a net charge