A stable elementary particle that is negatively charged and orbits the nucleus of an atom.
What is an electron?
100
The process of changing from a gas to a liquid the act of making more dense or compact.
What is condensation?
100
Energy stored in an object due to the object’s configuration and position.
What is physical change?
100
A procedure that is carried out in order to observe a response caused by a stimulus; not a complete experiment.
What is an investigation?
200
In any periodic function the maximum absolute variation of the function.
What is amplitude?
200
The smallest unit of a chemical element that can still retain the properties of that element.
What is an atom?
200
A fundamental principle stating energy cannot be created nor destroyed but only changed from one form to another.
What is the conservation of energy?
200
The force exerted per unit area.
What is pressure?
200
A set of objects, organisms, or different parts acting to form a whole.
What is a system?
300
The change in direction of a wave caused by passing by an obstacle or traveling through an opening.
What is diffraction?
300
A subatomic particle having a positive charge and which is found in the nucleus of an atom.
What is a proton?
300
A quantity that describes the capacity to do work; a source of usable power.
What is energy?
300
A piece of glass with polished plane surfaces that disperses a beam of white light into its component colors.
What is a prism?
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 substance that cannot be reduced to a simpler substance by chemical means.
What is an element?
400
A form of energy resulting from the temperature difference between a system and its surroundings.
What is heat?
400
A type of simple machine; a circular lever, usually a wheel with a groove where a rope can be placed and used to change the direction of a force.
What is a pulley?
400
The factor that is changed in an experiment in order to study changes in the dependent variable.
What is the independent variable?
500
The lowest point on a wave.
What is the trough
500
A subatomic particle having zero charge, found in the nucleus of an atom.
What is a neutron?
500
A measure of randomness or disorder of a closed system.
What is an entropy?
500
The bouncing off or turning back of light, sound, or heat from a surface.
What is reflection?
500
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.