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 change of state
100
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is an independant variable
200
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is speed
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
factor being measured or observed in an experiment
What is dependant variable
300
the distance between crest of a wave
What is a wavelength
300
a substance that cannot be reduced to a simpler substance
by chemical means
What is 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 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
400
a quality that tends to produce movement or acceleration of
a body in the direction of its application; a push or a pull
What is force
400
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a proton
400
heat transfer in a gas or liquid by the circulation of currents
from one region to another
What is convection
400
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
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is an investigation
500
force of air on moving objects
What is air resistance
500
a subatomic particle having zero charge, found in the
nucleus of an atom
What is nuetron
500
a quantity that describes the capacity to do work; a source
of usable power
What is energy
500
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas
500
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information