in any period of function (e.g. a wave) the maximum absolute variation of the function.
What is amplitude?
100
the smallest unit of a chemical element that can still retain the properties of that element
What is an 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 a calorie?
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 change in direction of a wave caused by passing by an obstacle or travelling through an opening
What is diffraction?
200
a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is an electron?
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 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
a force of attraction between two masses
What is gravitation?
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
the region where magnetic force exists around magnets or electric currents
What is a magnetic field?
300
a plan of inquiry that uses science process skills as a tool to gather, organize, analyze and communicate information
What is the scientific method?
400
the lowest point on a wave
What is a trough?
400
a subatomic particle having zero charge, found in the nucleus of an atom
What is a neutron?
400
a measure of randomness or disorder of a closed system
What is entropy?
400
a type of simple machine; a circular level, usually a wheel with a groove where a rope can be placed and used to change the direction of a force
What is a pulley?
400
a set of objects, organisms, or different parts acting to form a whole
What is a system?
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 a positive charge and which is found in the nucleus of an atom
What is a proton?
500
internal energy found by adding the kinetic energy of particles making up a substance
What is thermal energy?
500
a repetitive movement around an equilibrium point
What is vibration?
500
the event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment