the smallest unit of a chemical element that can still retain
the properties of that element
What is an atom
100
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
100
he event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment
What is a variable
200
a push or a pull
What is force
200
energy stored in an object due to the object’s configuration
and position
What is potential energy
200
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an electron
200
one of the fundamental states of matter with a definite
volume but no definite shape
What is liquid
200
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is an independent variable
300
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
300
internal energy found by adding the kinetic energy of
particles making up a substance
What is thermal energy
300
a substance that cannot be reduced to a simpler substance
by chemical means
What is an element
300
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas
300
factor being measured or observed in an experiment
What is an dependent variable
400
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
amount of distance traveled divided by time taken;
What is speed
400
heat transfer in a gas or liquid by the circulation of currents
from one region to another
What is convection
400
a particle, object, or system that lacks a net charge
What is an neutral
400
having a definite shape and a definite volume; one of the
fundamental states of matter
What is solid
400
a set of objects, organisms, or different parts acting to form
a whole
What is a system
500
a force that opposes the relative motion of two material
surfaces in contact with one another
What is friction
500
unit of energy; the amount of heat needed to raise one gram
of water one degree Celsius at standard atmospheric pressure
What is calorie
500
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a proton
500
a measure of the amount of space an object takes up; also
the loudness of a sound or signal
What is volume
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