All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Project title Bacteria and thawing methodsFeatured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

The aim of this science fair project is to find out which method of meat thawing leads to the least amount of bacteria contamination. This experiment is conducted by thawing the meat over the counter, in the refrigerator and using the microwave oven. 

Instructions preview
1. The independent variable for this science fair project is the method of defrosting the chicken meat – at room temperature, in a refrigerator and using the microwave. The dependent variable is the size of the bacteria growth in the Petri dish. This is determined by measuring the size of the bacteria growth using a ruler. The constants (control variables) are room temperature, the amount of sunlight and the ingredients in the Petri dish agar. 2. Prepare 3 Petri dishes are prepared using agar and store themin a refrigerator. The Petri dishes are brought to room temperature before the .....
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) 2020 All Science Fair All Rights Reserved. Site
All Science Fair Projects Homepage