the smallest unit of a chemical element that can still retain
the properties of that element
What is an atom ?
100
a quantity that describes the capacity to do work; a source
of usable power
What is energy
100
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is gas ?
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 observed effect of the force of gravitation
What is gravity ?
200
a change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical)
What is an energy transfer ?
200
a type of simple machine; consists of a rigid bar that pivots
about a fulcrum, used to transmit and enhance power or
motion
What is a lever ?
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 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
a particle, object, or system that lacks a net charge
What is a neutral ?
300
a measure of randomness or disorder of a closed system
What is entropy ?
300
electromagnetic radiation that lies within the visible range
What is a light ?
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 process in which a liquid is converted to its vapor
phase by heating the liquid
What is evaporation ?
400
one of the fundamental states of matter with a definite
volume but no definite shape
What is a liquid ?
400
a set of objects, organisms, or different parts acting to form
a whole
What is a system?
500
the lowest point on a wave
What is the trough?
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
having the property of attracting iron and certain other
materials by virtue of a surrounding field of force
What does magnetic mean ?
500
the event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment