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 particle, object, or system that lacks a net charge
What is a Neutral
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 a Dependent Variable
200
force of air on moving objects
What is Air resistance
200
a substance that cannot be reduced to a simpler substance
by chemical means
What is Element
200
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
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 plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is the Scientific method
300
the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
What is Diffraction
300
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an Electron
300
a change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical)
What is Energy transfer
300
a type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point
What is a Inclined plane
400
the number of cycles or waves per unit time
What is Frequency
400
the smallest unit of a chemical element that can still retain
the properties of that element
What is an Atom
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
the pivot point of a lever
What is Fulcrum
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
a force that opposes the relative motion of two material
surfaces in contact with one another
What is Friction
500
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a Proton
500
energy stored in an object due to the object’s configuration
and position
What is Potential energy
500
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is Gas
500
a set of objects, organisms, or different parts acting to form
a whole