The change in direction of a wave caused by passing by an
obstacle or traveling through an opening.
What is diffraction?
100
The smallest unit of a chemical element that can still retain the properties of that element.
What is an atom?
100
A measure of randomness or disorder of a closed system.
What is entropy?
100
The pivot point of a lever.
What is a fulcrum?
100
Factor being measured or observed in an experiment.
What is a Dependent Variable?
200
The distance between crest of a wave.
What is wavelength?
200
A stable elementary particle that is negatively charged and
orbits the nucleus of an atom.
What is an electron?
200
Internal energy found by adding the kinetic energy of particles making up a substance.
What is Thermal 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 an inclined plane?
200
The factor that is changed in an experiment in order to study
changes in the dependent variable.
What is an Independent Variable?
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 substance that cannot be reduced to a simpler substance by chemical means.
What is an element?
300
The emission and propagation of the entire range of the
electromagnetic spectrum including: gamma rays, x-rays,
ultraviolet radiation, visible light, microwaves, and radio
waves.
What is Electromagnetic Radiation?
300
A reaction; a change in matter from one form to another,
without forming new substances.
What is physical change?
300
A procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment.
What is an investigation?
400
The number of cycles or waves per unit time.
What is frequency?
400
A subatomic particle having a positive charge and which is found in the nucleus of an atom.
What is a proton?
400
A fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another.
What is Conservation of Energy?
400
A reaction or a change in a substance produced by
chemical means that results in producing a different
chemical.
What is chemical change?
400
A plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information.
What is the Scientific Method?
500
The time-rate at which a body changes its position; defined as displacement divided by the time of travel.
What is velocity?
500
A subatomic particle having zero charge, found in the nucleus of an atom.
What is a neutron?
500
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?
500
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?
500
The event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a scientific experiment.