A particle, object, or system that lacks a net charge.
What is a Neutral?
100
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?
100
A physical change that occurs when matter changes to
another state (i.e., liquid, gas, or solid).
What is Change of state?
100
A set of objects, organisms, or different parts acting to form
a whole.
What is a System?
200
In any periodic function the maximum absolute variation of the function.
What is Amplitude?
200
A force of attraction between two masses.
What is Gravitation?
200
A quantity that describes the capacity to do work; a source
of usable power.
What is Energy?
200
A reaction or a change in a substance produced by
chemical means that results in producing a different
chemical?
What is Chemical change?
200
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 a Variable?
300
The peak or highest point on a wave
What is a Crest?
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 change of energy from one form to another (e.g.,
mechanical to electrical, solar to electrical).
What is Energy transfer?
300
An interconnection of electrical elements forming a
complete path for the flow of current.
What is a Circuit?
300
The pivot point of a lever.
What is a Fulcrum?
400
The change in direction of a wave caused by passing by an obstacle or traveling through an opening.
What is Diffraction?
400
The lowest point on a wave.
What is Trough?
400
A measure of randomness or disorder of a closed system.
What is Entropy?
400
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 Compound?
400
One of the fundamental states of matter in which molecules
do not have fixed volume or shape.
What is Gas?
500
The number of cycles or waves per unit time.
What is Frequency?
500
The time-rate at which a body changes its position; defined as displacement divided by the time of travel.
What is Velocity?
500
The process in which a liquid is converted to its vapor
phase by heating the liquid.
What is a measure Evaporation?
500
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?
500
A type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point.