Answer: 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
Answer: a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is electron?
100
Answer: 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
Answer: a physical change that occurs when matter changes to another state (i.e., liquid, gas, or solid)
What is change of state?
100
Answer: factor being measured or observed in an experiment.
What is dependent variable?
200
Answer: amount of distance traveled divided by time taken; the time-rate at which any physical process takes place
What is speed?
200
Answer: a substance that cannot be reduced to a simpler substance by chemical means
What is element?
200
Answer: 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
Answer: a reaction or a change in a substance produced by chemical means that results in producing a different chemical
What is chemical change?
200
Answer: the factor that is changed in an experiment in order to study
What is independent variable?
300
Answer: force of air on moving objects
What is Air resistance?
300
Answer: the smallest unit of a chemical element that can still retain the properties of that element
What is atom?
300
Answer: the transmission of heat through a medium and without the motion of the medium
What is conduction?
300
Answer: an interconnection of electrical elements forming a complete path for the flow of current
What is circuit?
300
Answer: 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
Answer: in any periodic function (e.g., a wave) the maximum absolute variation of the function
What is Amplitude?
400
Answer: a particle, object, or system that lacks a net charge
What is neutral?
400
Answer: a fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another
What is conservation of energy?
400
Answer: 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
Answer: a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is investigation?
500
Answer: the peak or highest point on a wave
What is crest?
500
Answer: a subatomic particle having zero charge, found in the nucleus of an atom
What is neutron?
500
Answer: heat transfer in a gas or liquid by the circulation of currents from one region to another
What is convection?
500
Answer: 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
Answer: a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information