First Test Vocab- Ch. 1, 2, 3 Flashcards
a measurement of space that an object takes up
volume
the amount of “stuff” that something has
mass
a property that relies on how much stuff is in a specific thing
extensive property
a property that relies on what kind of stuff a given thing has
intensive property
state of matter that can change both shape and volume
gas
describes the misty condition of a thing that is generally in a different state of matter
vapor
matter with a defined composition
substance
when properties change, but the chemical makeup does not
physical change
quality that can be tested without chemically changing a substance
physical property
a form of matter with changing shape but unchanging volume
liquid
matter with a definite shape and volume
solid
combination of multiple things
mixture
a mixture with identifiable parts
heterogeneous mixture
mixture with unobservable smaller parts
homogeneous mixture/ solution
a part of a sample with unchangeable and contained makeup and properties
phase
the process that separates a solid from a liquid in a heterogeneous mixture
filtration
when a boiled liquid turns to vapor then back into liquid
distillation
the simples form of matter with unique characteristics
element
a substance with multiple elements that merged chemically
compound
a change with a result of a change of composition than before
chemical change
an abbreviation that is used to identify an element
chemical symbol
the capability of a given substance to undergo a specific chemical change
chemical property
when one or more substances changes into one or more other substances
chemical reaction
a substance that is at the beginning of a reaction
reactant
a substance that is at the end of a reaction
product
a solid that is created by forming and settling out of a liquid mixture
precipitate
the idea that mass in neither gained nor lost during a chemical reaction
law of conservation of mass
anything that has mass and takes up space
matter
the study of the composition of matter and the changes that matter undergoes
chemistry
the study of all chemicals that contain carbon
organic chemistry
the study of all chemicals that do not contain carbon
inorganic chemistry
the study of processes that take place in organisms
biochemistry
the area of chemistry that deals with mechanism, the rate, and energy transfer that occurs when matter undergoes a change
physical chemistry
the pursuit of chemical knowledge for its own sake
pure chemistry
research that is directed toward a practical goal or application
applied chemistry
the means by which society provides its members with those things needed and desired
technology
a well-tested experiment for a broad set of observations
theory
a concise statement that summarizes the results of many observaions and experiments
scientific law
a logical approach to the solution of scientific problems
scientific method
a proposed explanation for an observation
hypothesis
a means to test a hypothesis
experiment
information obtained through one’s senses
observation
variable that one changes during an experiment
manipulated variable
variable that is observed during an experiment
responding variable
