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
The transmission of heat through a medium and without the motion of the medium.
What is conduction?
100
A physical change that occurs when matter changes to another state.
What is change of state.
100
A plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information.
What is the scientific method?
200
Force of air on moving objects.
What is air resistance?
200
A stable elementary particle that is negative charged and orbits the nucleus of an atom.
What is an electron?
200
A fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another.
What is conservation of energy?
200
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?
200
A procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is an investigation?
300
In any periodic function the maximum absolute variation of the function.
What is amplitude?
300
A substance that cannot be reduced to a simpler substance by chemical means.
What is an element?
300
Heat transfer in a gas or liquid by the circulation of currents from one region to another.
What is convection?
300
A reaction or a change in a substance produced by chemical means that results in producing a different chemical.
What is a chemical change?
300
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or testa 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 particle, object, or system that lacks a net charge.
What is a neutral?
400
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?
400
An interconnection of electrical elements forming a complete path for the flow of current.
What is a circuit?
400
The factor that is changed in an experiment in order to study changes in the dependent variable.
What is an independent variable?
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 a neutron?
500
The emission and propagation of the entire range of the electromagnetic spectrum including: gamma rays, x-rays, ultraviolet radiation, visible light, microwaves, and radio waves.
What is electromagnetic radiation?
500
A substance made up of combination of two or more elements held together by chemical bonds that cannot be separated by physical means.
What is a compound?
500
Factor being measured or observed in an experiment.