What is rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction?
100
Electron
What is a stable elementary particle that is negatively charged and orbits the nucleus of an atom?
100
Calorie
What is unit of energy; the amount of heat needed to raise one gram of water one degree Celsius at standard atmospheric pressure?
100
Change of state
What is a physical change that occurs when matter changes to another state (i.e., liquid, gas, or solid)?
100
Dependent Variable
What is a factor being measured or observed in an experiment?
200
Air resistance
What is the force of air on moving objects?
200
Element
What is a substance that cannot be reduced to a simpler substance by chemical means?
200
Condensation
What is What is 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?
200
Chemical change
What is a reaction or a change in a substance produced by chemical means that results in producing a different chemical?
200
Independent variable
What is the factor that is changed in an experiment in order to study changes in the dependent variable?
300
Amplitude
What is in any periodic function (e.g., a wave) the maximum absolute variation of the function?
300
Neutral
What is a particle, object, or system that lacks a net charge?
300
Conduction
What is the transmission of heat through a medium and without the motion of the medium?
300
Circuit
What is an interconnection of electrical elements forming a complete path for the flow of current?
300
Experiment
What is 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?
400
Crest
What is the peak or highest point on a wave?
400
Neutron
What is a subatomic particle having zero charge, found in the nucleus of an atom?
400
Conservation of energy
What is a fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another?
400
Compound
What is a substance made up of a combination of two or more elements held together by chemical bonds that cannot be separated by physical means?
400
Investigation
What is a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment?
500
Diffraction
What is the change in direction of a wave caused by passing by an obstacle or traveling through an opening?
500
Proton
What is a subatomic particle having a positive charge and which is found in the nucleus of an atom?
500
Heat
What is a form of energy resulting from the temperature difference between a system and its surroundings?
500
Density
What is 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?
500
Scientific method
What is a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information?