According to several linguists, there is a certain kind of relationship between sense, Language, and a non-linguistic world of experiences, and the way we, humans, deal with them in our language. We use language to categories the objectives and items around us with the help of language. Language and the objects of the world are…
Null hypothesis: is the claim being assessed in a hypothesis. For a claim to be a testable null hypothesis, it must specify a value for some population parameter that can form the basis for assuming a sampling distribution for a test statistic. Alternative hypothesis: The alternative hypothesis proposes what we should conclude if we find…
Aim “To see what factors affect the decomposition of hydrogen peroxide by the enzyme catalase which is found in the liver” Introduction Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living things. Without them the reactions would be so slow that life would grind to a halt. Enzymes work…
Introduction Vinegar is a common household item containing acetic acid as well as some other chemicals. This experiment is designed to determine the molar concentration of acetic acid in a sample of vinegar by titrating it with a standard solution of NaOH. CH3COOH(aq) + NaOH(aq) -> CH3COONa(aq) + H2O(l) By adding the sodium hydroxide, which…
Key scientific attitudes: Curiosity, skepticism, open-mindedness Hindsight: explaining behavior after the fact (problem: multiple conflicting outcomes and explanations for results) Use Scientific Process with variables and factual observations Scientific Process: Formulate a question based on observed events Formulate a tentative explanation for why those event transpired (hypothesis) Conduct research to test it Analyze research and…
The laboratory report is a permanent record of your work in the lab. Of first importance is the requirement that the write-up be an honest record. Failures,as well as successes, should be faithfully recorded. I. GENERAL ORGANIZATION: TITLE PAGE – The general layout MUST look EXACTLY like the following example: Complete Title of Lab Name:…