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
Atom
What is the smallest unit of a chemical element that can still retain
the properties of that element
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
Liquid
What is one of the fundamental states of matter with a definite
volume but no definite shape
100
Dependent Variable
What is factor being measured or observed in an experiment
200
Air resistance
What is force of air on moving objects
200
Electron
What is a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
200
Heat
What is a form of energy resulting from the temperature difference
between a system and its surroundings
200
Solid
What is having a definite shape and a definite volume; one of the
fundamental states of matter
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
Element
What is a substance that cannot be reduced to a simpler substance
by chemical means
300
Energy
What is a quantity that describes the capacity to do work; a source
of usable power
300
Light
What is electromagnetic radiation that lies within the visible range
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 change in direction of a wave caused by passing by an
obstacle or traveling through an opening
400
Neutral
What is a particle, object, or system that lacks a net charge
400
Evaporation
What is the process in which a liquid is converted to its vapor
phase by heating the liquid
400
gas
What is one of the fundamental states of matter in which molecules
do not have fixed volume or shape
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
Potential energy
What is energy stored in an object due to the object’s configuration
and position
500
Volume
What is a measure of the amount of space an object takes up; also
the loudness of a sound or signal
500
Scientific method
What is a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information