An interconnection of electrical elements forming a complete path for the flow of current
What is a circuit
100
The transmission of heat through a medium and without the motion of the medium
What is conduction
100
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
The factor that is changed in an experiment in order to study changes in the dependent variable
What is the independent variable
200
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
200
The process in which a liquid is converted to its vapor phase by heating the liquid
What is evaporation
200
The peak or highest point on a wave
What is a crest
200
A stable elementary particle that is negatively charged and orbits the nucleus of an atom
What is an electron
200
Factor being measured or observed in an experiment
What is a dependent variable
300
One of the fundamental states of matter in which molecules do not have fixed volume or shape
What is gas
300
A form of energy resulting from the temperature difference between a system and its surroundings
What is heat
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
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
One of the fundamental states of matter with a definite volume but no definite shape
What is liquid
400
The energy possessed by a body because of its motion
What is kinetic energy
400
A force of attraction between two masse
What is gravitation
400
A particle, object, or system that lacks a net charge
What is a neutral
400
A set of objects, organisms, or different parts acting to form a whole
What is a system
500
Having the property of attracting iron and certain other materials by virtue of a surrounding field of force
What is magnetic
500
Emission of energy in the form of rays or waves
What is radiation
500
Amount of distance traveled divided by time taken; the time-rate at which any physical process takes place
What is speed
500
A subatomic particle having a positive charge and which is found in the nucleus of an atom
What is a proton
500
The event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment