in any periodic function (e.g., a wave) the maximum
absolute variation of the function
What is amplitude?
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 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 chemical change?
200
the factor that is changed in an experiment in order to study changes in the dependent variable
What is 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 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 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 peak or highest point on a wave
What is crest?
400
a subatomic particle having zero charge, found in the nucleus of an atom
What is a neutron?
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 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 procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is an investigation?
500
obstacle or traveling through an opening
What is diffraction?
500
a particle, object, or system that lacks a net charge
What is a neutral?
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
a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information