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Scientific Method Questions and Answers

Scientific theories and laws

❶Science Fair Project Ideas. Science is different from other epistemologies in that it is founded, ultimately, on empirical observation.

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The scientific method

A theory is almost never proven, though a few theories do become scientific laws. One example would be the laws of conservation of energy, which is the first law of thermodynamics. Linda Boland, a neurobiologist and chairperson of the biology department at the University of Richmond, Virginia, told Live Science that this is her favorite scientific law.

This law continually reminds me of the many forms of energy," she said. Laws are generally considered to be without exception, though some laws have been modified over time after further testing found discrepancies. This does not mean theories are not meaningful. For a hypothesis to become a theory, rigorous testing must occur, typically across multiple disciplines by separate groups of scientists. To most people a theory is a hunch. In science, a theory is the framework for observations and facts, Tanner told Live Science.

Some of the things we take for granted today were dreamed up on pure brainpower, others by total accident. But just how much do you know about the origin of things? The earliest evidence of science can be found in prehistoric times, such as the discovery of fire , invention of the wheel and development of writing.

Early tablets contain numerals and information about the solar system. Science became decidedly more scientific over time, however. Robert Grosseteste developed the framework for the proper methods of modern scientific experimentation, according to the Stanford Encyclopedia of Philosophy. His works included the principle that an inquiry must be based on measurable evidence that is confirmed through testing.

Leonardo da Vinci began his notebooks in pursuit of evidence that the human body is microcosmic. The artist, scientist and mathematician also gathered information about optics and hydrodynamics. Nicolaus Copernicus advanced the understanding of the solar system with his discovery of heliocentrism.

This is a model in which Earth and the other planets revolve around the sun, which is the center of the solar system. Johannes Kepler built upon those observations with his laws of planetary motion. Galileo Gallilei improved on a new invention, the telescope, and used it to study the sun and planets.

The s also saw advancements in the study of physics as Isaac Newton developed his laws of motion. Benjamin Franklin discovered that lightning is electrical.

He also contributed to the study of oceanography and meteorology. The understanding of chemistry also evolved during this century as Antoine Lavoisier, dubbed the father of modern chemistry, developed the law of conservation of mass. John Dalton also introduced atomic theory, which stated that all matter is composed of atoms that combine to form molecules. The basis of modern study of genetics advanced as Gregor Mendel unveiled his laws of inheritance.

The discoveries of Albert Einstein, who is best known for his theory of relativity, dominated the beginning of the 20th century. His special theory of relativity, which he outlined in a paper, " The Electrodynamics of Moving Bodies ," concluded that time must change according to the speed of a moving object relative to the frame of reference of an observer. His second theory of general relativity, which he published as " The Foundation of the General Theory of Relativity ," advanced the idea that matter causes space to curve.

Medicine forever changed with the development of the polio vaccine in by Jonas Salk. The following year, James D. The last thing a student would want is his money being misused by people. The people at 6DollarEssay. So when you come to us with your essay problem, we ensure that you get only affordable custom essay writing from us and nothing less than that.

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