chemistry chapter 1

determine the composition of a moon rock sample
analytical chemistry

do research on making a new medicine to treat high blood pressure
biochemistry

investigate ways to regulate the rate of gasoline burning in an automobile engine
physical chemistry

develop a plastic that can be decomposed by bacteria
organic chemistry

improve the method for extracting iron from iron ore
inorganic chemistry

developing a shampoo to be used with dry or damaged hair
applied

determining the conditions required for materials to burn
pure

figuring out the general structure of materials such as cotton and silk
pure

designing a large scale method for producing nylon
applied

explaining why water expands when frozen
pure

list three areas of energy research that scientists are working on today
conservation production storage

t/f chemists design materials to meet specific needs
T

t/f oil from soy bean plant is used to make biodiesel
T

t/f as world population increases, amount of fertile land increases
f

t/f many drugs are effective because they interact in a specific way with chemicals in cells
t

t/f the trend in crop protection is toward chemicals that are less specific
f

t/f the use of lead paint in houses was banned in 1978 ******
t

t/f chemists are doing research to improve batteries
t

t/f to study the universe, chemists gather data from afar and analyze matter that is brought back to earth
t

t/f chemists have developed a plastic skin that can heal itself when it cracks to help patients with burns
t

pursuit of chemical knowledge for its own sake
pure chemistry

the means by which a society provides its members with those things needed and desired
technology

anything that has mass and occupies space
matter

the science concerned with the composition of matter and the change that matter undergoes
chemistry

field of chemistry focusing on chemicals with carbon in them
organic

field of chemistry focusing on all chemicals without carbon
inorganic

applies science to biological processes or products
biochemistry

field of chem focused on composition of matter
analytical

area that deals with mechanism rate energy transfer when matter undergoes a change
physical chemistry

research directed toward a practical goal or application
applied chemistry

things large enough to see without magnification
macroscopic

things that require magnification to see
microscopic

applies science to production of biological processes or products
biotechnology

material found in air water soil harmful to humans or other organisms
pollutant

a logical systematic approach to the solution of a scientific prolem
scientific method

using senses to obtain information
observation

proposed explanation for an observation
hypothesis

procedure used to test a hypothesis
experiment

variable one changes in an experiment
manipulated variable

variable observed during the experiment
responding variable

well-tested explanation for a broad set of observations
theory

concise statement that summarizes the results of many observations and experiments
scientific law

t/f chemistry is the study of matter and the changes that matter undergoes
t

pure chemistry is the use of scientific knowledge to attain a specific goal
f

inorganic chemistry is the study of substances that contain oxygen
f

agriculture is the one area where chemistry has played an important role
t

in chemistry patterns can be discovered by making observations and doing experiments
t

the — is a logical approach to the solution of scientific problems
scientific method

an experiment is a means of testing a(n)—
hypothesis

a candle gives off light and heat. this is an exmaple of —-
energy

a proposed explanation for observations — ***
hypothesis

successful scientific outcomes are more likely when scientists collaborate and —
communicate

what is the p[urpose of bio chemistry
to understand the structure of the human body and chemical changes that occur in cells

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