a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an electron?
100
internal energy found by adding the kinetic energy of
particles making up a substance
What is thermal energy?
100
a type of simple machine that consist of an inclined plane
wrapped around a cylinder
What is a screw?
100
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?
200
the time-rate at which a body changes its position; defined
as displacement divided by the time of travel
What is velocity?
200
a substance that cannot be reduced to a simpler substance
by chemical means
What is an element?
200
emission of energy in the form of rays or waves
What is radiation?
200
having a definite shape and a definite volume; one of the
fundamental states of matter
What is a solid?
200
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is an investigation?
300
the lowest point on a wave
What is a trough?
300
a particle, object, or system that lacks a net charge
What is neutral?
300
energy stored in an object due to the object’s configuration
and position
What is potential energy?
300
a mixture of two or more substances uniformly dispersed
throughout a single phase
What is a solution?
300
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is the scientific method?
400
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is speed?
400
a subatomic particle having zero charge, found in the
nucleus of an atom
What is a neutron?
400
the energy possessed by a body because of its motion
What is kinetic energy?
400
a repetitive movement around an equilibrium point
What is a vibration?
400
a set of objects, organisms, or different parts acting to form
a whole
What is a system?
500
the property of an object, due to its mass, that causes it to
resist any change in its motion unless overcome by a force
What is inertia?
500
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a proton?
500
a form of energy resulting from the temperature difference
between a system and its surroundings
What is heat?
500
a measure of the amount of space an object takes up; also
the loudness of a sound or signal
What is volume?
500
the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment