All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Project title How dirty are your dental retainers? Featured science projectScience project video
Difficulty Level High school
Project page  Click here to view this science project

Description
Should you brush your retainers with toothpaste? Will it suffice to rinse them with mouthwash? This science fair project aims to investigate the methods available for minimizing the amount of bacteria found on dental retainers. This experiment is carried out by comparing the amount of bacteria found on dental retainers that have been subject to infrequent brushing, regular brushing with toothpaste and soaking in mouthwash.  

Instructions preview
1. Tthe independent variable of this experiment is the conditions of which the dental retainers are subject to – non brushing, brushing with toothpaste and rinsing with mouthwash The dependent variable is the amount of bacteria growth in the relevant Petri dish. This is approximately determined by measuring the size of bacteria growth using a ruler. The constants (control variables) are room temperature, amount of sunlight and the ingredients in the Petri dish agar. 2. Prepare 12 Petri dishes of agar and store them in the refrigerator. Bring them to room temperature before the start of experiment by taking .....
Search science fair projects Browse science fair projects
Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.
Copyright (C) 2016 All Science Fair Projects.com. All Rights Reserved. Site
All Science Fair Projects Homepage