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 the definition of Acceleration
100
the smallest unit of a chemical element that can still retain
the properties of that element
What is the definition of Atom
100
the energy possessed by a body because of its motion
What is the definition of Kinetic energy
100
a type of simple machine that consists of a rod driven
through the center of a cylinder that is allowed to rotate
freely, yielding a mechanical advantage equal to the
cylinder’s diameter
What is the definition of Wheel & axle
100
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 is the definition of Experiment
200
the observed effect of the force of gravitation
What is the definition of Gravity
200
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is the definition of Electron
200
the process in which a liquid is converted to its vapor phase by heating the liquid
What is the definition of Evaporation
200
one of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is the definition of Gas
200
a set of objects, organisms, or different parts acting to form
a whole
What is is the definition of System
300
a force that opposes the relative motion of two material
surfaces in contact with one another
What is the definition of Friction
300
a substance that cannot be reduced to a simpler substance
by chemical means
What is the definition of Element
300
emission of energy in the form of rays or waves
What is the definition of Radiation
300
a repetitive movement around an equilibrium point
What is the definition of Vibration
300
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 is the definition of Variable
400
force of air on moving objects
What is the definition of Air resistance
400
a particle, object, or system that lacks a net charge
What is the definition of Neutral
400
unit of energy; the amount of heat needed to raise one gram
of water one degree Celsius at standard atmospheric
pressure
What is the definition of Calorie
400
a piece of glass with polished plane surfaces that disperses
a beam of white light into its component colors
What is the definition of Prism
400
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is is the definition of Investigation
500
a quality that tends to produce movement or acceleration of
a body in the direction of its application; a push or a pull
What is the definition of Force
500
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 the definition of Electromagnetic Radiation
500
an interconnection of electrical elements forming a
complete path for the flow of current
What is the definition of Circuit
500
factor being measured or observed in an experiment