What is 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
Change of state
What is What is a physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid)
100
Dependent Variable
What is factor being measured or observed in an experiment
200
Force
What is a quality that tends to produce movement or acceleration of
a body in the direction of its application; a push or a pull
200
Electron
What is a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
200
Kinetic energy
What is a quantity that describes the capacity to do work; a source
of usable power
200
Chemical change
What is a reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
200
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
300
Gravity
What is the observed effect of the force of gravitation
300
Element
What is a substance that cannot be reduced to a simpler substance
by chemical means
300
Condensation
What is 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
300
Circuit
What is an interconnection of electrical elements forming a
complete path for the flow of current
300
Scientific method
What is a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
400
Velocity
What is the time-rate at which a body changes its position; defined
as displacement divided by the time of travel
400
Neutron
What is a subatomic particle having zero charge, found in the
nucleus of an atom
400
Energy
What is a quantity that describes the capacity to do work; a source
of usable power
400
Gas
What is one of the fundamental states of matter in which molecules
do not have fixed volume or shape
400
System
What is a set of objects, organisms, or different parts acting to form
a whole
500
Trough
What is the lowest point on a wave
500
Proton
What is a subatomic particle having a positive charge and which is
found in the nucleus of an atom
500
Thermal energy
What is internal energy found by adding the kinetic energy of
particles making up a substance
500
Light
What is electromagnetic radiation that lies within the visible range
500
Variable
What is the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment