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 an Atom?
100
unit of energy; the amount of heat needed to raise one gram
of water one degree Celsius at standard atmospheric
pressure
What is a calorie?
100
a physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid)
What is a change of state?
100
factor being measured or observed in an experiment
What is a dependent variable?
200
force of air on moving objects
What is Air Resistance?
200
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an electron?
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 reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
What is a chemical change?
200
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 an experiment?
300
in any periodic function (e.g., a wave) the maximum
absolute variation of the function
What is Amplitude
300
a substance that cannot be reduced to a simpler substance
by chemical means
What is an Element?
300
the transmission of heat through a medium and without the
motion of the medium
What is Conduction?
300
an interconnection of electrical elements forming a
complete path for the flow of current
What is a circuit?
300
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is an investigation?
400
the peak or highest point on a wave
What is a crest?
400
a particle, object, or system that lacks a net charge
What is Neutral?
400
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is the Law of Conservation of Energy?
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 a compound?
400
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is the Scientific Method?
500
the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
What is diffraction?
500
a subatomic particle having zero charge, found in the
nucleus of an atom
What is a Neutron?
500
heat transfer in a gas or liquid by the circulation of currents
from one region to another
What is Convection?
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
the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment