Chemistry Chapter 1 Questions And Test Answers – Flashcards
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determine the composition of a moon rock sample
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analytical chemistry
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do research on making a new medicine to treat high blood pressure
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biochemistry
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investigate ways to regulate the rate of gasoline burning in an automobile engine
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physical chemistry
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develop a plastic that can be decomposed by bacteria
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organic chemistry
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improve the method for extracting iron from iron ore
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inorganic chemistry
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developing a shampoo to be used with dry or damaged hair
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applied
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determining the conditions required for materials to burn
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pure
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figuring out the general structure of materials such as cotton and silk
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pure
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designing a large scale method for producing nylon
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applied
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explaining why water expands when frozen
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pure
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list three areas of energy research that scientists are working on today
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conservation production storage
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t/f chemists design materials to meet specific needs
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T
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t/f oil from soy bean plant is used to make biodiesel
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T
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t/f as world population increases, amount of fertile land increases
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f
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t/f many drugs are effective because they interact in a specific way with chemicals in cells
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t
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t/f the trend in crop protection is toward chemicals that are less specific
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f
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t/f the use of lead paint in houses was banned in 1978 ******
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t
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t/f chemists are doing research to improve batteries
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t
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t/f to study the universe, chemists gather data from afar and analyze matter that is brought back to earth
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t
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t/f chemists have developed a plastic skin that can heal itself when it cracks to help patients with burns
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pursuit of chemical knowledge for its own sake
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pure chemistry
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the means by which a society provides its members with those things needed and desired
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technology
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anything that has mass and occupies space
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matter
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the science concerned with the composition of matter and the change that matter undergoes
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chemistry
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field of chemistry focusing on chemicals with carbon in them
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organic
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field of chemistry focusing on all chemicals without carbon
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inorganic
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applies science to biological processes or products
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biochemistry
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field of chem focused on composition of matter
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analytical
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area that deals with mechanism rate energy transfer when matter undergoes a change
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physical chemistry
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research directed toward a practical goal or application
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applied chemistry
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things large enough to see without magnification
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macroscopic
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things that require magnification to see
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microscopic
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applies science to production of biological processes or products
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biotechnology
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material found in air water soil harmful to humans or other organisms
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pollutant
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a logical systematic approach to the solution of a scientific prolem
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scientific method
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using senses to obtain information
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observation
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proposed explanation for an observation
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hypothesis
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procedure used to test a hypothesis
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experiment
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variable one changes in an experiment
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manipulated variable
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variable observed during the experiment
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responding variable
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well-tested explanation for a broad set of observations
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theory
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concise statement that summarizes the results of many observations and experiments
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scientific law
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t/f chemistry is the study of matter and the changes that matter undergoes
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pure chemistry is the use of scientific knowledge to attain a specific goal
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inorganic chemistry is the study of substances that contain oxygen
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f
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agriculture is the one area where chemistry has played an important role
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t
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in chemistry patterns can be discovered by making observations and doing experiments
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t
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the --- is a logical approach to the solution of scientific problems
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scientific method
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an experiment is a means of testing a(n)---
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hypothesis
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a candle gives off light and heat. this is an exmaple of ----
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energy
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a proposed explanation for observations --- ***
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hypothesis
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successful scientific outcomes are more likely when scientists collaborate and ---
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communicate
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what is the p[urpose of bio chemistry
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to understand the structure of the human body and chemical changes that occur in cells
