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Science, Technology, and Society Activity 02: Historical antecedents in which social considerations changed the course of science and technology (World) Point in history Belief/idea that did not persist to present-time Belief/idea that persisted to present-time Ancient Times to 600 B.C. An open wound would heal rapidly and cleanly if it was covered with moldy bread. Eating poppy seeds to relieve patient’s pain. Papers made out of plants. Using compass for directions in travelling. Greek Science (600 B.C. to 500 A.D.) Humans were actually sort of a fish and life began in water. All things were constructed in air. The solar eclipse or “short-term disappearance of the sun.” an event in which the moon moves between the earth and the sun, mostly blocking the sun from view. All matter is composed of little units called “atoms.” “Dark Ages” (500 A.D. to 1000 A.D.) Not observing enough while performing any scientific procedures/experiments Performing any scientific procedures/experiments, being a keen observer is a must. “Golden Age” of Science (1500 A.D. to 1660 A.D.) The Ptolemy’s view of the universe The sun is at the center of the planets, also called as heliocentric. The study of the organs, muscles, and skeleton of
the human body. According to Pascal's law, pressure applied to a confined fluid is transmitted without change in magnitude to all points of the fluid and the container's walls. The pressure is equal in all directions at every point in the fluid. Era of Newton (1660 A.D. to 1735 A.D.) Scientists in Newton's period believed that one physical mechanism made an object to fall when dropped, while an entirely another one cause the planets to move in the sky. The three laws of Newton's motion define the relationship between an object's motion and the forces acting on it. Unless it is acted upon by an external force, the first law asserts that an object either remains at rest or continues to travel at a constant velocity. The second law indicates that the rate of change in momentum of an object is exactly proportional to the force applied, or that the net force on an object is equal to the mass multiplied by the acceleration for an object of constant mass. The third law states that
mixture of gases is equal to the sum of the partial pressures of the gases in the mixture. Modern Science (1900 A.D. to the Present) Einstein’s theory to address a problem that had confused scientists for years. People realized that scientific knowledge is now at least primarily responsible for the inventions that improved our lives. Planck’s Quantum Theory states that an energy is not emitting continuously but discontinuously in the form of small packets of energy known as quanta of energy. The Bohr model shows that the electrons in atoms are in orbits of differing energy around the nucleus
