Physics
Atom
Energy
Physical science
Natural science
100
The change in direction of a wave caused by passing by an obstacle or traveling through an opening.
What is diffraction
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 degrees celsius at standard atmospheric pressure.
What is a calorie
100
A physical change that occurs when matter changes to another state.
What is change of state
100
a procedure that his carried out in order to observe a response caused by stimulus ; not a complete experiment.
What is an investigation
200
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
200
A stable supplementary particle that is negatively charged orbits the nucleus of an atom.
What is an electron
200
heat transfer in a gas or liquid by the circulations of current from one region to another.
What is convection
200
A fundamental principle staining energy cannot be created nor destroyed but only change from one form to another
What is conservation of energy
200
factor being measured or observed in an experiment
What is dependent varible
300
In any periodic function (e.g. a wave) the maximum absolute variation of function.
What is the amplitude
300
A substance that cannot be reduced to a simpler substance by chemical means.
What is an element
300
A form of energy resulting from the temperature difference between a system and its surrounding.
What is heat
300
a reaction or a change in a substance produced by chemical means that results in producing a different chemical
What is chemical change
300
the factor that is changed in an experiment in order to study changes in the dependent variable
What is an independent varible
400
The peak or highest point on a wave.
What is the crest
400
A subatomic particle having a positive charge and which is found in the nucleus of an atom.
What is a proton
400
internal energy found by adding the kinetic energy of particles making up a substance
What is thermal energy
400
one of the fundamental state of matter in which molecules do not have fix volume or shape.
What is gas
400
a set of objects, organism, or different parts acting to form a whole
What is a system
500
A force that opposes the relative motion of two material surfaces in contact with one another.
What is friction
500
A subatomic particle having zero charge, found in the nucleus of an atom.
What is neutron
500
emission of energy in the form of rays or waves.
What is radiation
500
the pivot point of a lever
What is a fulcrum
500
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 a variable
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