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 element?
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 reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
What is a chemical change?
100
factor being measured or observed in an experiment
What is a dependent variable?
200
the peak or highest point on a wave
What is the crest?
200
a substance that cannot be reduced to a simpler substance
by chemical means
What is an element?
200
the transmission of heat through a medium and without the
motion of the medium
What is conduction?
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 a compound?
200
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is an independent variable?
300
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?
300
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an electron?
300
heat transfer in a gas or liquid by the circulation of currents
from one region to another
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 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
the observed effect of the force of gravitation
What is gravity?
400
a subatomic particle having zero charge, found in the
nucleus of an atom
What is a neutron?
400
a quantity that describes the capacity to do work; a source
of usable power
What is energy?
400
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas?
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
the lowest point on a wave
What is a trough?
500
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a proton?
500
emission of energy in the form of rays or waves
What is radiation?
500
one of the fundamental states of matter with a definite
volume but no definite shape
What is liquid?
500
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information