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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

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