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From the 1850s, several vendors sold specially formulated liquid slating to be used as paint.
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Introducing his theory that species evolve through the process of natural selection, and setting the stage for the controversy surrounding teaching the theory of evolution in public schools that persists to this day. http://www.livescience.com/474-controversy-evolution-works.html
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Much of the south, including its educational institutions, is left in disarray. Many schools are closed. Even before the war, public education in the south was far behind that in the north. The physical devastation left by the war as well as the social upheaval and poverty that follow exacerbate this situation.
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Gregor Mendel: Mendel's laws of inheritance, basis for genetics
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Starting in the 1870s, American instrument makers sold oversized drawing instruments for blackboard use. After World War II, as the enrollment at community colleges and technical schools expanded, so did math classes.
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1874 — Georg Cantor proves that the set of all real numbers is uncountably infinite but the set of all real algebraic numbers is countably infinite. https://en.wikipedia.org/wiki/Uncountable_set
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The DDC is still the worlds most widely-used library classification system.
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It becomes the model for a total of 26 similar schools, all with the goal of assimilating Indian children into the mainstream culture. The schools leave a controversial legacy. Though some see them as a noble, albeit largely unsuccessful experiment, many view their legacy to be one of alienation and "cultural dislocation." The Carlisle Indian Industrial School closes in 1918. Famous athlete Jim Thorpe is among the school's thousands of alumni.
http://home.epix.net/~landis/ -
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1896 – Henri Becquerel discovers radioactivity
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It describes his work with Theodore Simon in the development of a measurement instrument that would identify students with mental retardation. The Binet-Simon Scale, as it is called, is an effective means of measuring intelligence.
http://childpsych.umwblogs.org/intelligence-testing-2/binet-simon-scale/ -
1912 – Alfred Wegener: Continental drift
https://en.wikipedia.org/wiki/Continental_drift -
Einstein's Theory of General Relativity is published.
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Dewey's views help advance the ideas of the "progressive education movement." An outgrowth of the progressive political movement, progressive education seeks to make schools more effective agents of democracy. His daughter, Evelyn Dewey, coauthors Schools of To-morrow with her father, and goes on to write several books on her own.
http://www.wilderdom.com/experiential/ExperientialDewey.html -
Gestalt Theory, with its emphasis on learning through insight and grasping the whole concept, becomes important later in the 20th Century in the development of cognitive views of learning and teaching.
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24-year-old science teacher and football coach John Thomas Scopes is asked by Dayton,TN leaders if he'd be willing to be indicted to bring the case(of illegally teaching evolution theory) to trial.http://www.npr.org/2005/07/05/4723956/timeline-remembering-the-scopes-monkey-trial
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1925 – Cecilia Payne-Gaposchkin: Discovery of the composition of the Sun and that Hydrogen is the most abundant element in the Universe.
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He begins bold efforts to initiate his New Deal and spur economic recovery. His wife, Eleanor, becomes a champion of human rights and forever transforms the role of American First Lady.
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A tool still in use today. See the first one.
http://www.ideafinder.com/history/inventions/ballpen.htm -
During the next four years, much of the country's resources go to the war effort. Education is put on the back burner as many young men quit school to enlist; schools are faced with personnel problems as teachers and other employees enlist, are drafted, or leave to work in defense plants; school construction is put on hold.
http://www.history.com/topics/world-war-ii -
1943 – Oswald Avery proves that DNA is the genetic material of the chromosome
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Crick and Watson: helical structure of DNA, basis for molecular biology
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In a unanimous opinion, the Supreme Court in Brown v. Board of Education overturns Plessy and declares that separate schools are "inherently unequal." The Court delays deciding on how to implement the decision and asks for another round of arguments. http://www.history.com/topics/black-history/brown-v-board-of-education-of-topeka
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Often referred to simply as “Bloom’s Taxonomy” because of its primary author, Benjamin S. Bloom, the document actually has four coauthors (M.D. Engelhart, E.J. Furst, W.H. Hill, and David Krathwohl). Still widely used today, Bloom’s Taxonomy divides the cognitive domain into six levels: knowledge, comprehension, application, analysis, synthesis.
http://epltt.coe.uga.edu/index.php?title=Bloom%27s_Taxonomy -
During the 1950s and 1960s, as the number of American schoolchildren soared, mathematicians, psychologists, and educators began to reexamine methods of teaching math. After the Soviet Union successfully launched the Sputnik satellite in 1957, better mathematics teaching was linked to U.S. national defense.
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It prohibits discrimination based on race, color, sex, religion or national origin.
http://www.history.com/topics/black-history/civil-rights-act -
In the 1970s, with the introduction of microprocessors, handheld electronic calculators came on the market. They now replaced the 1960's desktop calculators slide rule on the belts of advanced students. Simpler calculators soon sold as educational toys.
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Apple Computer, now Apple Inc., introduces the Apple II, one and its offspring, the Apple IIe, they become popular in schools as students begin to learn with computer games such as Oregon Trail and Odell Lake.
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The National Council of Teachers of Mathematics proposed new standards for mathematics education. To train students in problem solving along lines suggested by the standards of the NCTM, Paul Hartung devised this set of puzzles for classroom use.
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Microsoft Windows 1.0, the first independent version of Windows, is released, setting the stage for subsequent versions that make MS-DOS obsolete.
https://en.wikipedia.org/wiki/History_of_Microsoft_Windows -
1997 – Roslin Institute: Dolly the sheep was cloned.
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As of February, 2016 26 states have adopted the NGSS
http://www.nextgenscience.org/ -
2013 - Traces of liquid water discovered on Mars
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1994-1995 - Whiteboards find their way into U.S. classrooms in increasing numbers and begin to replace the blackboard.
http://www.usmarkerboard.com/Help-Center/FAQ/historyOfWhiteboards
