rate of change in velocity, usually expressed in meters per
second; involves an increase or decrease in speed and/or a
change in direction
What is acceleration
100
the smallest unit of a chemical element that can still retain
the properties of that element
What is atom
100
the transmission of heat through a medium and without the
motion of the medium
What is conduction
100
an interconnection of electrical elements forming a
complete path for the flow of current
What is circuit
100
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is independent variable
200
the peak or highest point on a wave
What is crest
200
a particle, object, or system that lacks a net charge
What is neutral
200
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
200
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
200
factor being measured or observed in an experiment
What is dependent variable
300
force of air on moving objects
What is air resistance
300
a subatomic particle having zero charge, found in the
nucleus of an atom
What is neutron
300
convection
What is convection
300
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
300
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is scientific method
400
in any periodic function (e.g., a wave) the maximum
absolute variation of the function
What is amplitude
400
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is electron
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 reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
What is chemical change
400
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
the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
What is diffraction
500
a substance that cannot be reduced to a simpler substance
by chemical means
What is element
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 physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid)
What is change of state
500
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment