Scientific Method Essay

1085 words - 5 pages

Science is used by people every day whether or not they realize it or not. When we have a problem we unknowingly use the scientific method to resolve the problem. The scientific method is a step by step process that is used to discover answers to scientific questions. We identify what the problem is first by observing a situation that occurs that we are not expecting, identify what the problem is and then form a hypothesis to resolve the problem. A hypothesis is created by asking an “if-then” question identifying the steps that will be used to resolve the problem. The independent variable or the steps that will be used to solve the problem follows the “if” statement. The dependent ...view middle of the document...

The hypothesis created for this situation is if mayonnaise is substituted for the eggs, will the crepes turn out and taste the same? The next step is to test the hypothesis by adding the mayonnaise to the crepe mixture and cook a test crepe. The consistency of the batter after adding the mayonnaise is the same as if the missing eggs were added. The next step is to cook a test crepe and determine if the batter will cook the same way and produce a crepe that is the same as one made with eggs. The crepe cooks and looks identical to a crepe that is made with eggs. The test crepe looks the same and tastes identical to a crepe made with eggs. The results of the experiment showed that mayonnaise may be successfully substituted for eggs in a crepe recipe. In this scenario the data from the experiment proved the hypothesis.
The second scenario involves a problem with a household appliance. It is observed that dirt on the carpet is not being sucked up into the vacuum cleaner after the vacuum is swept over the dirt. The first step is to identify the problem which in this case is the vacuum cleaner not removing the dirt from the carpet. The vacuum hoses are examined and appear to be working properly. The vacuum roller is also examined and it is discovered that the rollers have some debris and hair attached to it. The hypothesis made is if the debris and hair is removed will the vacuum start to work properly? To test the hypothesis the roller is detached, all the debris and hair is removed from the roller and the roller is reattached to the vacuum. An experiment is conducted to determine if the cleaning resolved the problem and the vacuum is swept over the carpet where the dirt is located to determine if the vacuum is now working properly. The result of the experiment is that the dirt is still on the carpet. The data from the experiment proves the debris and hair is not the cause of the vacuum not working. Further examination of the vacuum reveals that the belt connecting the roller to the vacuum is a little loose and not rotating the roller. Purchasing a new belt...

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