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
a substance that cannot be reduced to a simpler substance by chemical means
What is Element
100
unit of energy; the amount of heat needed to raise one gram of water one degree Celsius at standard atmospheric pressure
What is 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
factor being measured or observed in an experiment
What is Dependent Variable
200
force of air on moving objects
What is Air resistance
200
the smallest unit of a chemical element that can still retain the properties of that element
What is Atom
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 Vaiable
300
in any periodic function (e.g., a wave) the maximum absolute variation of the function
What is Amplitude
300
a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is Electron
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 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 Experiment
400
the peak or highest point on a wave
What is Crest
400
a subatomic particle having a positive charge and which is found in the nucleus of an atom
What is Proton
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 Compound
400
a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is Investigation
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 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 individual 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