the smallest unit of a chemical element that can still retain the properties of that element
What is atom
100
a quantity that describes the capacity to do work; a source of usable power
What is Energy
100
one of the fundamental states of matter in which molecules do not have fixed volume or shape
What is gas
100
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 variable
200
the distance between crest of a wave
What is wavelength
200
a substance that cannot be reduced to a simpler substance by chemical means
What is element
200
heat transfer in a gas or liquid by the circulation of currents from one region to another
What is convection
200
having a definite shape and a definite volume; one of the fundamental states of matter
What is solid
200
the factor that is changed in an experiment in order to study changes in the dependent variable
What is independent variable
300
the peak or highest point on a wave
What is crest
300
a stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is electron
300
a form of energy resulting from the temperature difference between a system and its surroundings
What is heat
300
the amount of matter an object contains
What is mass
300
factor being measured or observed in an experiment
What is dependent variable
400
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is speed
400
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is proton
400
emission of energy in the form of rays or waves
What is radiation
400
an interconnection of electrical elements forming a complete path for the flow of current
What is circut
400
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
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 force
500
a subatomic particle having zero charge, found in the nucleus of an atom
What is Nuetron
500
unit of energy; the amount of heat needed to raise one gram of water one degree Celsius at standard atmospheric pressure
What is calorie
500
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
500
a set of objects, organisms, or different parts acting to form a whole