the 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 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
having the property of attracting iron and certain other
materials by virtue of a surrounding field of force
What is magnetic
100
factor being measured or observed in an experiment
What is a dependent variable
200
the 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 an electron
200
the process of changing from a gas (i.e., water vapor) to a liquid (i.e., dew); the act of making more dense or compact
What is condensation
200
the region where magnetic force exist around magnets or electric currents
What is a magnetic field
200
the factor that is changed in an experiment in order to study changes in the dependent variable
What is an 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 an elemenet
300
the transmission of heat through a medium and without the motion of the medium
What is conduction
300
the amount of matter an object contains
What is mass
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 an 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 a neutral
400
a fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another
What is conservation of energy
400
a solid, liquid, or gas that possesses inertia and is capable of occupying space
What is matter
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is an 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 a neutron
500
heat transfer in a gas or liquid by the circulation of currents from one region to another
What is convection
500
the product of a thorough blending of two or more
substances, not chemically combined
What is a mixture
500
a plan of inquiry that uses science process skills as a tool to gather, organize, analyze, and communicate information