What is
the time-rate at which any physical process takes place?
100
Atom
What is the smallest unit of a chemical element that can still retain the properties of that element?
100
Energy
What is a quantity that describes the capacity to do work; a source of usable power?
100
A substance made up of a combination of two or more
elements held together by chemical bonds that cannot be
separated by physical means
What is a compound?
100
Dependent Variable
What is a factor being measured or observed in an experiment called?
200
The time-rate at which a body changes its position
What is velocity?
200
A stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is an electron?
200
The principle that states energy can neither be created nor destroyed only transformed
What is the law of the conservation of energy?
200
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?
200
The factor that is changed in an experiment in order to study
changes in the dependent variable
What is an independent variable?
300
Rate of change in velocity
What is acceleration?
300
A subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is a proton?
300
Heat
What is
a form of energy resulting from the temperature difference between a system and its surroundings?
300
Mass
What is
the amount of matter an object contains called?
300
Experiment
What is
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 called?
400
Friction
What is a force that opposes the motion of two surfaces in contact with one another?
400
Neutron
What is a subatomic particle having zero charge, found in the
nucleus of an atom?
400
A 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?
400
A solid, liquid, or gas that possesses inertia and is capable
of occupying space
What is matter?
400
A procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment.
What is an investigation?
500
A push or a pull
What is force?
500
A substance that cannot be reduced to a simpler substance
by chemical means
What is an element?
500
Potential Energy
What is energy stored in an object due to the object’s configuration and position?
500
Solid
What is having a definite shape and a definite volume; one of the fundamental states of matter called?
500
System
What is a set of objects, organisms, or different parts acting to form a whole called?