What is a 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
Convection
What is heat transfer in a gas or liquid by the circulation of currents
from one region to another
100
Chemical change
What is a reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
100
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
200
Amplitude
What is in any periodic function (e.g., a wave) the maximum
absolute variation of the function
200
Element
What is a substance that cannot be reduced to a simpler substance
by chemical means
200
Energy
What is a quantity that describes the capacity to do work; a source
of usable power
200
Compound
What is a substance made up of a combination of two or more
elements held together by chemical bonds that cannot be
separated by physical means
200
Scientific method
What is a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
300
Crest
What is the peak or highest point on a wave
300
Neutron
What is a subatomic particle having zero charge, found in the
nucleus of an atom
300
Heat
What is a form of energy resulting from the temperature difference
between a system and its surroundings
300
Gas
What is one of the fundamental states of matter in which molecules
do not have fixed volume or shape
300
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
400
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
400
Neutral
What is a particle, object, or system that lacks a net charge
400
Radiation
What is emission of energy in the form of rays or waves
400
Light
What is electromagnetic radiation that lies within the visible range
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
Speed
What is the amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
500
Electron
What is a stable elementary particle that is negatively charged and
orbits 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
Magnetic
What is having the property of attracting iron and certain other
materials by virtue of a surrounding field of force
500
Dependent Variable
What is factor being measured or observed in an experiment