a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is proton
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 consists of a rod driven
through the center of a cylinder that is allowed to rotate
freely, yielding a mechanical advantage equal to the
cylinder’s diameter
What is wheel and axle
100
the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment
What is variable
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 subatomic particle having zero charge, found in the
nucleus of an atom
What is neutron
200
emission of energy in the form of rays or waves
What is radiation
200
a type of simple machine that consist of an inclined plane
used to separate two objects
What is wedge
200
a set of objects, organisms, or different parts acting to form
a whole
What is system
300
the lowest point on a wave
What is trough
300
a particle, object, or system that lacks a net charge
What is neutral
300
emission of energy in the form of rays or waves
What is potential energy
300
a measure of the amount of space an object takes up; also
the loudness of a sound or signal
What is volume
300
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is 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 substance that cannot be reduced to a simpler substance
by chemical means
What is element
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 vibration
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experimen
What is investigation
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 stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is electron
500
a form of energy resulting from the temperature difference
between a system and its surroundings
What is heat
500
a mixture of two or more substances uniformly dispersed
throughout a single phase
What is solution
500
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