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Safety in the Lab
Modern Chemists
Ancient Philosophers
Divisions in Chemistry
Sig Figs, Inferences, Accuracy and Precision
100
always use when handling glassware and chemicals
What is safety goggles?
100
worked in the 19th and 20th centuries and first described Brownian movement
Who is Albert Einstein?
100
Debated Artistotle about whether matter was made of small particles or 5 elements
Who is Democritus?
100
Deals with composition of chemicals
What is Analytical Chemistry?
100
Sig Figs in 10.0340
What is six?
200
must do at the end of each experiment after you have cleaned up your lab area and put away all of your equipment and chemicals
What is wash your hands?
200
discovered the electron
J J Thomsen
200
Developed the oldest form of the Scientific Method and was British
Who is Roger Bacon?
200
Application of scientific knowledge
What is Technology?
200
The fact that Olympic running is now timed to the thousandth of a second vs. timing of Olympic races in the 1968 games which were timed to the tenth of a second is an example of increased _______________.
What is precision?
300
item(s) that should not be eaten in the lab
What is EVERYTHING? No eating in the lab!
300
Even though Laviosier helped reform French society during the French Revolution by helping to invent the metric system, why was he killed by the revolutionaries?
What is he was of noble birth?
300
His scientific ideas were published very widely == including in Arab speaking countries and in western Europe during the European Middle Ages
Who was Geber?
300
Division in chemistry that describes the behavior of atoms and molecules and involves a lot of math
What is physical chemistry?
300
Telling another student that the air is cold and the leaves are turning colors is an ___________.
What is observation?
400
Person who should sweep broken glassware and person who should wipe up chemical spills
Who is the teacher!?
400
Reason for so few Russian scientists until the 20th century
What is before the Communist period (after 1917), only the wealthy were educated. Since 1917, education is free and compulsory.
400
Mesopotamian perfume maker
Who is Tapputi-Belatikallim?
400
Farmers applying insecticides, herbicides and/or fungicides all must have a good understanding of what areas of chemistry?
What is organic chemistry and biochemistry?
400
Seeing an old woman sitting on the floor of the vegetable department of REAL and thinking that she is hurt is an example of _______________.
What is inference?
500
Location of all unlabeled chemicals
What is nowhere? We label all chemicals!
500
The reason why Great Britain, including Scotland, Ireland, England and Wales had so many scientists since the time of Roger Bacon
What is GB had a vast colonial empire which made the nation and some of its people quite rich so that they could devote time to science and could pay for their relatives to be scientists?
500
2 differences between ancient philosophers and modern scientists
What is performing experimentation using the scientific method and the time period. Ancient philosophers before the mid-1500s and Modern scientists after the mid=1500\s
500
Explain why a chef needs to understand chemistry
What is answers will vary but may include understanding how matter can be combined to produce tasty and beautiful food that produce pleasure?
500
Explain a situation where you may have good precision but poor accuracy
What is answers can vary but involving a story of a set of races where the times were all very close together (precise) but the stopwatch was faulty and giving out poor readings (inaccurate)?