scientific method

scientific method

1. observation

   • To observe is to carefully apply the senses to an object or phenomenon in order to study it.

2. Search for information

   • we have to search for all the available information. This data can be found in books or publications on the subject, or on trustworthy web pages, such as those of universities or research centres.

3. Statement of hypothesis

   • A hypothesis is a supposition which attempts to explain an observed phenomenon.

4. Experimentation

   • consists of reproducing an observed phenomenon under controlled conditions which can be modified to determine what is happening.

5. Analysis of results

   • Graph
   • Pie chart
   • Bar chart
   • Data table

6. Formulation of laws

   • Qualitative law: it can be defined through a verbal or written statement, but cannot be expressed numerically.
   • Quantitative law: it can be expressed through numbers. Thus, in addition to being defined through a verbal or written statement, it can be represented as a mathematical formula and as a graph.

7. Theories and models

   • is a generalised law which explains a set of facts

8. The scientific report

   • Results and conclusions
   • Summary or abstract
   • Procedure
   • Table of contents
   • Purpose
   • Materials and products
   • Cover