a physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid)
What is change of state
100
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
What is condensation
100
A particle object or system that lacks at net charge
What is nuetral
100
Force of air on moving objects
What is air resistance
200
a set of objects, organisms, or different parts acting to form
a whole
What is system
200
an interconnection of electrical elements forming a
complete path for the flow of current
What is circuit
200
the transmission of heat through a medium and without the
motion of the medium
What is conduction
200
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is electron
200
The peak or highest point on a wave
What is crest
300
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is independent variable
300
a reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
What is chemical changes
300
heat transfer in a gas or liquid by the circulation of currents
from one region to another
What is convection
300
the smallest unit of a chemical element that can still retain
the properties of that element
What is atoms
300
in any periodic function (e.g., a wave) the maximum
absolute variation of the function
What is amplitude
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experimen
What is investigation
400
a substance made up of a combination of two or more
elements held together by chemical bonds that cannot be
separated by physical means
What is compound
400
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is conservation of energy
400
a substance that cannot be reduced to a simpler substance
by chemical means
What is element
400
the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
What is diffraction
500
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
What is experiment
500
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
What is density
500
unit of energy; the amount of heat needed to raise one gram
of water one degree Celsius at standard atmospheric
pressure
What is calorie
500
a subatomic particle having zero charge, found in the
nucleus of an atom
What is nuetron
500
rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction