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
An interconnection of electrical elements forming a
complete path for the flow of current
What is circuit
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 an experiment
200
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
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
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 a coumpound
200
a procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment
What is an investigation
300
A force that opposes the relative motion of two material
surfaces in contact with one another
What is friction
300
A substance that cannot be reduced to a simpler substance
by chemical means
What is an element
300
The transmission of heat through a medium and without the
motion of the medium
What is Conduction
300
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
300
A plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is the scientific method
400
The number of cycles or waves per unit time
What is frequency
400
A subatomic particle having zero charge, found in the
nucleus of an atom
What is a nuetron
400
Heat transfer in a gas or liquid by the circulation of currents
from one region to another
What is convection
400
One of the fundamental states of matter in which molecules
do not have fixed volume or shape
What is a gas
400
A set of objects, organisms, or different parts acting to form
a whole
What is a system
500
Amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is speed
500
A particle, object, or system that lacks a net charge
What is nuetral
500
A quantity that describes the capacity to do work; a source
of usable power
What is energy
500
One of the fundamental states of matter with a definite
volume but no definite shape
What is a liquid
500
The event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment