Download Big Ideas of Science - Roots of Science - Lecture Slides and more Slides Life Sciences in PDF only on Docsity! The Big Ideas of Science II. Laws of motion and gravity I. The nature of matter Nucleus: • protons (+) • neutrons (o) Clouds: • electrons (-) molecules Law of Gravitational Attraction Scientific Law definition: A natural phenomenon that has been proven to occur invariably whenever certain conditions are met Docsity.com The big ideas of science III. Special and General Relativity IV. Evolution of the Universe The Big Bang! 13.7 billion years Docsity.com The big ideas of science IX. Genetics and DNA VIII. Evolution of life 3.6 - 3.8 by Building blocks: A, C, T, G Docsity.com THEORY: a well documented, explanatory principle Hypothesis; educated guess based on observations Docsity.com THE NATURE OF SCIENCE Every green apple I have eaten was sour Therefore: All green apples are sour (inductive leap) 1. Inductive reasoning: 2. Deductive reasoning: IF all green apples are sour IF i have a green apple THEN: 3.Abductive reasoning: Why are green apples sour? Caveat: Premises must be true and conclusion must logically follow premises My green apple is sour Hypothesis: Green apples are sour because they lack sugar A. Logical Thinking Docsity.com b. science: what it is Uncommon sense Rotational speed = 1600 kM/ hour Orbital speed = 108, 000 kM/ hour “The plague is carried by a malignant disposition in the air; without which some plagues could never have been so catching, as they were." Yersinia pestis illusions Docsity.com 1. Accumulation of facts 2. Demeaning 3. The ultimate meaning of life 4. Technology 5. Immoral E = mc2 C. Science: what it isn’t Docsity.com D. “THE” SCIENTIFIC METHOD 1. Systematic observation 2. Hypothesis 3. Testing 4. Data collection/ organization 5. Generalizations 6. Publication Docsity.com Questions In a homicide case, Sherlock Holmes determined that because the family guard dog always barks at strangers and because the dog did not bark the night the murder took place, then the murderer must not have been a stranger. This is an example of _________ reasoning. a. deductive b. inductive c. abductive d. conductive A theory is a well documented _______ principle. a. entertaining b. expository c. explanatory Docsity.com Questions Which of the following was a contribution of Aristotle to the philosophy of science? a. No supernatural allowed b. No authorities in science c. Science should be hypothesis driven d. Concepts in science are falsifiable Which of the following is a true statement about science? A. Science is about discovering the absolute truth B. Science is just plain common sense thinking C. Science is often counter intuitive D. The age of science is over Docsity.com Questions Joanne wanted to find out if cigarettes could cause cancer in rats. So, Joanne divided 100 rats into two groups. One group received cigarette smoke for one hour each day; the other group received no cigarette smoke. In this experiment, what is the control? a. Cancer b. The rats that received the cigarette smoke c. The rats that didn’t receive the cigarette smoke d. Joanne Docsity.com
