Shared Flashcard Set

Details

Minerals and their Properties
7th Grade Science
24
Science
7th Grade
04/02/2014

Additional Science Flashcards

 


 

Cards

Term
atom
Definition
smallest part of an element that can be identified as that element
Term
element
Definition
simple substance that cannot be broken down into simpler substances by ordinary chemical means
Term
compound
Definition
substance made up of two or more elements that are chemically combined
Term
molecule
Definition
smallest part of a substance that has all the properties of that substance
Term
chemical symbol
Definition
shorthand way of writing the name of an element
Term
chemical formula
Definition
formula that shows the elements that make up a compound
Term
subscript
Definition
number in a chemical formula that shows how many of each atom are in one molecule of a compound
Term
mineral
Definition
naturally occurring inorganic solid formed from elements or compounds and having a definite chemical makeup and regular atomic structure
Term
physical property
Definition
observable characteristic that describes an object
Term
streak
Definition
color of the powder left by a mineral
Term
luster
Definition
how a mineral's surface reflects light
Term
hardness
Definition
property of a mineral that relates to how much the mineral results being scratched
Term
density
Definition
amount of matter in a given volume
Term
magnetism
Definition
force of attraction or repulsion associated with magnets
Term
acid test
Definition
test that helps identify minerals containing calcium carbonate
Term
crystal
Definition
solid substance with its atom arranged in a regular three-dimensional pattern
Term
cleavage
Definition
tendency of some minerals to split along smooth, flat surfaces called planes
Term
fracture
Definition
tendency of some minerals to break into pieces with upper surfaces
Term
crystallization
Definition
formation of crystal caused by processes such as cooling and evaporation
Term
evaporation
Definition
process by which a liquid changes into a gas
Term
solution
Definition
mixture in which the particles of one substance are evenly mixed with the particles of another substance
Term
precipitation
Definition
process that occurs when elements and compounds leave a solution and crystallize out as solids
Term
ore
Definition
mineral that is mined because it contains useful metals or nonmetals
Term
gem
Definition
stone that has been cut and polished
Supporting users have an ad free experience!