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Unit One Chemistry

QuestionAnswer
Give a brief description of an Alchemist and their contribution to chemistry They develop the tools and technologies for working with chemicals. (ex: tongs, beakers, funnels, etc.)
Why is it important for scientist to collaborate and communicate? When scientists collaborate and communicate, they increase the likelihood of a successful outcome.
Why do you think a chemist may work in more than one area of chemistry at the same time? All areas of chemistry relate to other aspects of life. The boundaries between the five areas of study are not firm.
Why is is likely that a chemist who is studying organic chemistry would also study biochemistry? Biochemistry is a subsection of Organic Chemistry. Biochemistry involves the study of processes that take place in living organisms while Organic Chemistry involves ALL chemicals containing carbon.
What daily activities do you do that may involve a chemical process or contact with chemicals? Describe in detail. Digestion (example of biochemistry), Plastics, Cooking, etc.,
Define Chemistry. Chemistry is the study of the composition of matter and the changes that matter undergoes.
List the major steps in the scientific method and describe each briefly. 1. Make an observation. (Using your 5 senses to obtain information) 2. Propose and Test Hypothesis. (An educated guess for the observation.) 3. Experiment/Procedure (to Scientific Law or Theory).
List the five traditional branches of chemistry. Organic, Inorganic, Analytical, Physical and Biochemistry
Organic Chemistry The study of chemicals containing carbon. (ex: developing a new carbon based fiber for clothing)
Inorganic Chemistry The study of chemicals that do NOT contain carbon. (ex: comparing the hardness of copper and silver)
Biochemistry The study of the processes that take place in living organisms. (ex: developing a better insulin-delivery system)
Analytical Chemistry The study of the composition of matter. (ex: determine the amount of mercury present in a soil sample)
Physical Chemistry The area that deals with the mechanism, rate, and energy transfer that occurs when matter undergoes a change. (ex: studying the factors that affect the rate of photosynthesis in trees)
Discuss the role of chemistry in Energy. There is only two ways to meet the rising global demand for energy - conserve it or produce more of it.
Discuss the role of chemistry in one of these areas: Medicine and Biotechnology. Chemists supply the medicines, materials, and technology that doctors use to treat their patients. Biotechnology applies science to the production of of biological products or processes; uses technology that can alter DNA in living things.
Chemistry is the ___ science. central
All other ___ of science rely on Chemistry. fields
List three new materials that chemists have developed that have medical applications. Knee Replacements, Plastic Arteries, and Artificial Hips
Discuss the role of chemistry in one of these areas: The Universe Study data from space and use earth based chemistry to understand objects in outer space
What is a scientific law? A concise statement that summarizes the result of many observations and experiments.
Determine the amount of scientific figures: 809,165 6 (Why? Zeros in between do not count.)
Determine the amount of scientific figures: .00456 3 (Why? Leading zeros do not count.)
Determine the amount of scientific figures: 53,000 2 (Why? Trailing zeros do not count.)
Determine the amount of scientific figures: 130.000 5 (Why? Trailing zeros do count because of the decimal.)
Applied Chemistry Research that is directed toward a practical goal or application
What are the two general steps for problem solving? Making a plan and implementing it.
What is the difference between a hypothesis and a theory? A hypothesis is a proposed explanation for a set of observations. A theory is a well-tested explanation for a broad set of observations.
Created by: addi.bell
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