the change in direction of a wave caused by passing by an
obstacle or traveling through an opening
What is Diffraction
100
a measure of randomness or disorder of a closed system
What is Entropy
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
the product of a thorough blending of two or more
substances, not chemically combined
What is Mixture
100
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
200
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
200
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is Electron
200
a form of energy resulting from the temperature difference
between a system and its surroundings
What is Heat
200
factor being measured or observed in an experiment
What is Dependent Variable
300
the distance between crest of a wave
What is Wavelength
300
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is Proton
300
internal energy found by adding the kinetic energy of
particles making up a substance
What is Thermal energy
300
a piece of glass with polished plane surfaces that disperses
a beam of white light into its component colors
What is Prism
300
the factor that is changed in an experiment in order to study
changes in the dependent variable
What is Independent variable
400
the lowest point on a wave
What is Trough
400
a particle, object, or system that lacks a net charge
What is Neutral
400
a change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical)
What is Energy transfer
400
a type of simple machine that consist of an inclinea measure of the amount of space an object takes up; also
the loudness of a sound or signal
‘d plane
wrapped around a cylinder
What is Screw
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is Investigation
500
a force of attraction between two masses
What is Gravitation
500
the smallest unit of a chemical element that can still retain
the properties of that element
What is Atom
500
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is Conservation of 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 set of objects, organisms, or different parts acting to form
a whole