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22 terms

chemstry chapter 1 vocabulary

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matter
anything that has mass and occupies space
chemistry
the study of the composition of matter and the changes that matter undergoes
organic chemistry
the study of all chemicals containing carbon
inorganic chemistry
the study of chemicals that in general do not contain carbon
biochemistry
the study of processes that take place in organisms
analytical chemistry
is the area of study that focuses on the composition of matter
physical chemistry
the area that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change
pure chemistry
the pursuit of chemical knowledge for its own sake
applied chemistry
is research that is directed toward a practical goal or application
technology
the means by which a society provides its members with those things needed and desired
macroscopic
things large enough to see wth the naked eye
microscopic
things that only can be seen with a microscope
biotechnology
applies science to the production of biological products or processes
pollutant
a material found in the air
scientific method
is a logical, systematic approach to the solution of a scientific problem
observation
what you make when you use your senses to obtain information. can lead to a question
hypothesis
is a proposed explanation for an observation
experiment
a procedure thats used to test a hypothesis
independent variable
the one this that you change during an experiment to change the outcome
dependent variable
the thing that changes because of the independent variable
theory
a well-tested explaination for a broad set of observations
scientific law
is a concise statement that summerizes the results of many observations and experiments