The smallest unit of a chemical element that can still retain
the properties of that element
What is 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 Calorie?
100
A reaction or a change in a substance produced by
chemical means that results in producing a different
chemical
What is Chemical change?
100
Factor being measured or observed in an experiment
What is Dependent Variable?
200
The number of cycles or waves per unit time
What is Frequency?
200
A substance that cannot be reduced to a simpler substance
by chemical means
What is Element?
200
A fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is Conservation of energy?
200
A type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point
What is Inclined plane?
200
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 Experiment?
300
A force of attraction between two masses
What is Gravitation?
300
A particle, object, or system that lacks a net charge
What is Neutral?
300
A change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical)
What is Energy transfer?
300
The region where magnetic force exist around magnets or
electric currents
What is Magnetic field?
300
A plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is Scientific method?
400
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?
400
A subatomic particle having zero charge, found in the
nucleus of an atom
What is Neutron?
400
The process in which a liquid is converted to its vapor
phase by heating the liquid
What is Evaporation?
400
The product of a thorough blending of two or more
substances, not chemically combined
What is Mixture?
400
A set of objects, organisms, or different parts acting to form
a whole
What is System?
500
The lowest point on a wave
What is Trough?
500
A subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is Proton?
500
Emission of energy in the form of rays or waves
What is Radiation?
500
A change in direction of a wave that occurs as it passes
from one medium to another of different density
What is Refraction?
500
The event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment