rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction
What is acceleration
100
the smallest unit of a chemical element that can still retain the properties of that element
What is atom
100
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is conservation of energy
100
having a definite shape and a definite volume; one of the
fundamental states of matter
What is solid
100
factor being measured or observed in an experiment
What is dependent variable
200
the peak or highest point on a wave
What is a crest
200
a substance that cannot be reduced to a simpler substance by chemical means
What is element
200
a quantity that describes the capacity to do work; a source
of usable power
What is energy
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 independent variable
300
in any periodic function (e.g., a wave) the maximum absolute variation of the function
What is amplitude
300
a particle, object, or system that lacks a net charge
What is nuetral
300
a form of energy resulting from the temperature difference
between a system and its surroundings
What is heat
300
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas
300
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
400
the number of cycles or waves per unit time
What is frequency
400
a subatomic particle having zero charge, found in the nucleus of an atom
What is nuetron
400
internal energy found by adding the kinetic energy of
particles making up a substance
What is thermal 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 experimen
What is an investigation
500
the distance between crest of a wave
What is wave length
500
a subatomic particle having a positive charge and which is found in the nucleus of an atom
What is proton
500
the energy possessed by a body because of its motion
What is kinetic energy
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