For My Science Class

Question Answer
Solid A state of matter (particles that don't move,they are so close together that when they try to move they just calmly vibrate)
Liquid A state of matter (particles that move and are a far distance from each other)
Gas A state of matter (particles that are moving really fast,bouncing off the walls, and becomes it's form when water gets hot)
Plasma An ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures or at very high temperatures
Colloid A homogeneous, noncrystalline substance consisting of large molecules or ultra microscopic particles of one substance dispersed through a second substance
Phase change When a substance changes from one state, or phase, of matter to another we say that it has undergone a change of state, or we say that it has undergone a change of phase
Particle A minute portion of matter
Melting point The temperature at which a given solid will melt
Freezing point The temperature at which a liquid turns into a solid when cooled
Boiling point The temperature at which a liquid boils and turns to vapor
Evaporation Evaporation is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance
Condensation The conversion of a vapor or gas to a liquid
Volume The amount of space that a substance or object occupies, or that is enclosed within a container, especially when great
Mass A coherent, typically large body of matter with no definite shape
Density The degree of compactness of a substance
Pure substance A material that is composed of only one type of particle; examples of a pure substance include gold, oxygen and water
Atom The basic unit of a chemical element
Molecule A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
Element A part or aspect of something abstract, especially one that is essential or characteristic
Compound A thing that is composed of two or more separate elements; a mixture
Extended structure
Physical Structure
Chemical change
Natural resource
Synthetic material

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