A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed, preferably using a written, pre-defined, protocol of observations and experiments.
Process Engineer Salary. A Process Engineer earns an average salary of $70,876 per year. A skill in Simulation is associated with high pay for this job. Most people move on to other jobs if they have more than 20 years' experience in this field. $52,970 - $97,247.
Materials Engineer Salaries. Materials engineer salary range for the middle 50% is between $54,620 and $88,790. Materials engineer salaries for the lowest 10% are less than $42,460.Materials engineer salaries for the highest 10% are more than $107,650.Materials engineer starting salary for BS graudates averages $55,640. New MS graduates have an average starting salary of $61,170: and new PhDs have an average starting salary of $79,860.PhD and MS degrees have been in stronger demand since 2005, and this trend is expected to continue through 2015.aterials Engineer Salaries. Materials engineer salary range for the middle 50% is between $54,620 and $88,790. Materials engineer salaries for the lowest 10% are less than $42,460.