Lisa wondered which toothpaste whitened teeth the best. She took 4 baby teeth and soaked them in coffee until they were a uniform color. She brushed the first tooth with no toothpaste. Then she brushed the second tooth with Crest, the third with Aqua Fresh, and the fourth with Colgate. She brushed each tooth 100 times, and measured their whiteness with a dentist’s coloration guide. Name the parts of the experiment. (IV, DV, Control, Constants.)
An is an educated guess.
What are the steps of an experiment?
State the Problem
Analyze your Data
Some running horses trample anoying cats
state the problem
test your hypopohsis
analyze your data
conclusionIs this a way to remember the steps of an experiment?(YES!)