What is a particle, object, or system that lacks a net charge
100
radiation
What is emission of energy in the form of rays or waves
100
Fulcrum
What is the pivot point of a lever
100
scientific method
What is a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information
200
wavelength
What is the distance between two crests of a wave
200
protons
What is a subatomic particle having a positive charge and which is found in the nucleus of an atom
200
convection
What is the transfer of heat energy by the movement of matter
200
Vibration
What is a repetitive movement around an equilibrium point
200
variable
What is the event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment
300
amplitude
What is in any periodic function, the maximum variation of wave
300
neutron
What is a subatomic particle having zero charge, found in the center of the nucleus
300
Entropy
What is a measure of randomness or disorder of a closed system
300
refraction
What is the bouncing off or turning back of light, sound, or heat from a surface
300
investigation
What is a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
400
frequency
What is the number of cycles or waves per unit of time
400
electron
What is a stable elementary particle that is negatively charged and orbits the nucleus of an atom
400
Electromagnetic Radiation
What is a kind of radiation including: gamma rays, x-rays, ultraviolet radiation, visible light, microwaves, and radio
waves
400
Inclined plane
What is a type of simple machine; a slanted surface that makes it easier to move a mass from a lower to a higher point
400
independent variable
What is the factor that is changed in an experiment in order to study changes in the dependent variable
500
Diffraction
What is the change in the direction of the wave caused by passing by an obstacle or traveling through an opening
500
element
What is a substance that cannot be reduced to simpler substance by chemical means
500
calorie
What is a unit of energy; the amount of heat needed to raise one gram of water one degree Celsius at standard atmospheric pressure
500
pulley
What is What is a type of simple machine; a circular lever, usually a wheel with a groove where a rope can be placed and used to change the direction of a force
500
dependant variable
What is a factor being measured or observed in an experiment