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22 Cards in this Set

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  • Back
anayltical chemistry
the area of study that focuses on the composition of matter
applied chemistry
research that is directed toward a practical goal or application
biochemistry
the study of processes that take place in organisms
chemistry
the study of the composition of matter and the changes that matter undergoes
experiment
a procedure that is used to test a hypothesis
hypothesis
a proposed explanation for an observation
inorganic chemistry
the study of chemicals that, in general, do not contain carbon
macroscopic
the world of objects that are large enough to see with the unaided eye
matter
anything that has mass and occupies space
microscopic
the world of objects that can be seen only under magnification
manipulated variable
the variable that you change during an experiment, aka independent variable
observation
the information obtained through the senses; observation in science often involves a measurement
organic chemistry
the study of compounds containing carbon
physical chemistry
the area of chemistry that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change
pollutant
a material found in air, water, or soil that is harmful to humans and other organisms
biotechnology
the field that applies science to the production of biological products or processes
pure chemistry
the pursuit of chemical knowledge for its own sake
responding variable
the variable that is observed during an experiment; also called dependent variable
scientific law
a concise statement that summarizes the results of many observations and experiments
scientific method
a logical, systematic approach to the solution of a scientific problem; steps in the scientific method include making observations, testing hypotheses, and developing theories
technology
the means by which a society provides it members with those things needed and desired
theory
a well-tested explanation for a broad set of observations