Quick Answer. An experimental variable is something that a scientist changes during the course of an experiment. It is distinguished from a controlled variable, which could theoretically change, but the scientists keep constant. Continue Reading.
While you were pregnant, your baby developed tooth buds, the foundation for baby teeth (also called milk teeth). Very rarely, a baby is born with a tooth or two, or grows a tooth in the first few weeks of life. But the vast majority of babies sprout their first tooth sometime between 4 and 7 months old.
Â· just now. Report Abuse. a new born baby will start teething at 6 months of age,they first get their lower front teeth.when they teeth they usually get fever and suffer with diarrhea. for more information about children you can have a look at my source. Source(s): http://tripletsmommy.com/. facebook Â· 6 years ago.