the smallest unit of a chemical element that can still retain the properties of that element
What is an atom?
100
unit of energy; the amount of heat needed to raise one gram of water one degree Celsius at standard atmospheric pressure
What is a calorie?
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
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
a quality that tends to produce movement or acceleration of a body in the direction of its application; a push or a pull
What is force?
200
a subatomic particle having a positive charge and which is found in the nucleus of an atom
What is a proton?
200
a form of energy resulting from the temperature difference
between a system and its surroundings
What is heat?
200
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas?
200
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 a variable?
300
the peak or highest point on a wave
What is the crest?
300
a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is an electron?
300
emission of energy in the form of rays or waves
What is heat?
300
a solid, liquid, or gas that possesses inertia and is capable
of occupying space
What is matter?
300
a set of objects, organisms, or different parts acting to form a whole
What is system?
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
a quantity that describes the capacity to do work; a source
of usable power
What is energy?
400
the amount of matter an object contains
What is mass?
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
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 subatomic particle having zero charge, found in the nucleus of an atom
What is a neutron?
500
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is conservation of energy?
500
a piece of glass with polished plane surfaces that disperses
a beam of white light into its component colors
What is prism?
500
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information