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
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 change of state?
100
Factor being measured or observed in an experiment.
What is the 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 physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid).
What is chemical change?
200
The factor that is changed in an experiment in order to study
changes in the dependent variable.
What is the independent variable?
300
In any periodic function (e.g., a wave) 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
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 the crest?
400
A particle, object, or system that lacks a net charge.
What is neutral?
400
Heat transfer in a gas or liquid by the circulation of currents
from one region to another.
What is convection?
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 an investigation?
500
The observed effect of the force of gravitation.
What is gravity?
500
A subatomic particle having zero charge, found in the
nucleus of an atom.
What is a neutron?
500
A quantity that describes the capacity to do work; a source
of usable power.
What is energy?
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