What is the smallest unit of a chemical element that can still retain the properties of that element?
100
Energy
What is a quantity that describes the capacity to do work; a source of usable power?
100
Gas
What is one of the fundamental states of matter in which molecules do not have fixed volume or shape?
100
crest
What is the peak or highest point on a wave?
100
Heat
What is a form of energy resulting from the temperature difference between a system and its surroundings?
200
Electron
What is a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids?
200
Condensation
What is 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?
200
Inclined plane
What is
a type of simple machine; a slanted surface that makes it easier to move a mass from a lower to a higher point
200
diffraction
What is
the change in direction of a wave caused by passing by an obstacle or traveling through an opening?
200
Evaporation
What is the process in which a liquid is converted to its vapor phase by heating the liquid?
300
Neutron
What is a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen?
300
conduction
What is the transmission of heat through a medium and without the motion of the medium?
300
magnetic field
What is the region where magnetic force exist around magnets or electric currents
300
friction
What is a force that opposes the relative motion of two material surfaces in contact with one another?
400
Proton
What is a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign?
400
convection
What is heat transfer in a gas or liquid by the circulation of currents from one region to another?
400
mass
What is the amount of matter an object contains?
400
gravitation
What is a force of attraction between two masses?
500
Neutral
What is Belonging to neither kind; not one thing or the other; indifferent?
500
entropy
What is a measure of randomness or disorder of a closed system?
500
light
What is electromagnetic radiation that lies within the visible range
?
500
frequency
What is the number of cycles or waves per unit time?