rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction
What is Acceleration
100
the smallest unit of a chemical element that can still retain the properties of that element
What is Atom
100
a form of energy resulting from the temperature difference between a system and its surroundings
What is Heat
100
a physical change that occurs when matter changes to another state (i.e., liquid, gas, or solid)
What is Change of state
100
factor being measured or observed in an experiment
What is Dependent Variable
200
force of air on moving objects
What is Air resistance
200
a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is Electron
200
the energy possessed by a body because of its motion
What is Kinetic 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 factor that is changed in an experiment in order to study changes in the dependent variable
What is Independent variable
300
in any periodic function (e.g., a wave) the maximum absolute variation of the function
What is Amplitude
300
a substance that cannot be reduced to a simpler substance by chemical means
What is Element
300
energy stored in an object due to the object’s configuration and position
What is Potential energy
300
an interconnection of electrical elements forming a
complete path for the flow of current
What is Circuit
300
a procedure that is carried out and repeated under
controlled conditions in order to discover, demonstrate, or test a hypothesis; includes all components of the scientific method
What is Experiment
400
the peak or highest point on a wave
What is Crest
400
a particle, object, or system that lacks a net charge
What is Neutral
400
emission of energy in the form of rays or waves
What is Radiation
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
a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is Investigation
500
the change in direction of a wave caused by passing by an obstacle or traveling through an opening
What is Diffraction
500
a subatomic particle having zero charge, found in the nucleus of an atom
What is Neutron
500
internal energy found by adding the kinetic energy of particles making up a substance
What is Thermal energy
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 procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment