Sunday, January 5, 2020

The Scientific Method - 4542 Words

Learning Goal: To understand how the scientific method can be used to search for explanations of nature. The scientific method is a procedure used to search for explanations of nature. The scientific method consists of making observations, formulating hypotheses, designing and carrying out experiments, and repeating this cycle. Observations can be either quantitative or qualitative. Quantitative observations are measurements consisting of both numbers and units, such as the observation that ice melts at . In contrast, qualitative observations are observations that do not rely on numbers or units, such as the observation that water is clear. A hypothesis is a tentative explanation of the observations. The hypothesis is not necessarily†¦show more content†¦4. Compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms. Scientists later discovered isotopes, which showed that the second postulate was no t entirely true. Consider two different compounds of carbon and oxygen: carbon dioxide, , and carbon monoxide, . The number of oxygen atoms per carbon atom in is double the number of oxygen atoms per carbon atom in . So we can predict that the mass of oxygen per gram of carbon in is double the mass of oxygen per gram of carbon in . And, in fact, if other carbon-oxygen compounds existed, we could predict small, whole-number ratios for the masses of oxygen per gram of carbon in all of them. This is exactly what John Dalton predicted for compounds using his atomic theory of matter. It came to be known as the law of multiple proportions The periodic table is a list of elements arranged by atomic number olumns in the periodic table are called groups, and the rows are called periods. Notice that the groups are labeled 1 to 18 and the periods are labeled 1 to 7. Groups 1, 2, and 13 to 18 are called the main group elements, groups 3 to 12 are the transition elements, and the bottom two row s are called the lanthanides and actinides, respectively. This table gives properties and alternate names for some of the groups: Group | Name | Properties | 1 | Alkali metals | React to form 1+ ions. | 2 | AlkalineShow MoreRelatedThe Scientific Method Of Scientific Methods1015 Words   |  5 Pages Research Methods Paper The Scientific method is a procedure that consists of systematic observation measurement, and experiment, and the formulation, testing, and modification of the hypothesis. Scientific methods are what are done to see the outcome of an experiment before they decide to use it on a real human. A Scientific method is a research that helps people to develop good programs that will help in the long run. The Scientific method is a method that is used to figure outRead MoreThe Scientific Method Of Scientific Methods1387 Words   |  6 PagesThe Scientific Method The scientific method has been used for centuries to create a structured and concrete way to study a question. When looking at it from a psychology stand point, the scientific method allows psychologists to formulate a way to study and make sense of human nature and support their â€Å"haunches and plausible sounding theories†(Myers, 2010). Within the scientific method a theory is formed by everyday observations. It predicts behaviors or possible outcomes. Next a hypothesis mustRead MoreScientific Method And Scientific Methods3048 Words   |  13 Pagesknowledge, or interpret and correct past knowledge, is referred to as scientific method. In order to be termed as scientific, a method involved in enquiry is usually based on measurable or empirical evidence (Karl, 2004). This is subject to precise reasoning principles. 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Then, through repeatedRead MoreThe Steps Of Scientific Method843 Words   |  4 Pages The scientific method is when you have a specific problem and you go through steps to try and solve your problem. The steps of scientific method are develop a theory, check and analyze your theory, explain your hypothesis, and prove your hypothesis. Whether that hypothesis could be wrong, you can still change it. That is the best thing about theories, hypothesis, and the scientific method. An example of the scientific method is my automobile does not crank. I would check for gas because if there

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