Anthony Hajna studied the kind of bacteria that causes typhoid fever and discovered how to identify it quicker.  Hajna discovered how to separate it from its carrier.  He also studied epidemic-type bacteria. He had special interest in bacteria in food and water.

http://www.twu.edu/dsc/hajnaI.htm

TEKS Objective References:

Helpful Web sites:

Bacteria Rule!: An Interactive Self-Correcting Game. This is a fun website for kids to browse and learn about bacteria.  It gives them True/False quizzes to test their knowledge. http://www.nationalgeographic.com/ngkids/0010/bacteria/

Teaching Resources:

Glo Germ Powder Experiments: This is a link to seven different experiments that can be conducted using Glo Germ Powder to demonstrate the power of germs.  Glo Germ can be purchased through this site as well.  http://www.hometrainingtools.com/articles/glo-germ-projects.html.

Antibacterial Soap Experiment: Students test the effectiveness of different bacterial soaps by washing their hands with the soap and then wiping their finger through agar in a petri dish.  They then watch the dish over time to see how much bacteria grows and compare the different brands.  This is another great opportunity to practice the scientific method and incorporate writing into science activities.http://school.discoveryeducation.com/curriculumcenter/bacteria/activity2.html