Some bacteria are pathogenic, it means that they cause disease. Some other bacteria that are not pathogenic can grow on food causing bad taste, bad odor or produce acids and make the foods sour.
http://www.freesciencefairproject.com/biology/light_bacteria_growth.html
Some bacteria are pathogenic, it means that they cause disease. Some other bacteria that are not pathogenic can grow on food causing bad taste and bad odor.
http://www.freesciencefairproject.com/biology/ph_bacteria.html
We keep food in refrigerators in order to stop growing bacteria on the food. But is the temperature an important factor in growing bacteria? Can't bacteria grow in low temperatures if they have access to enough nutrients?
http://www.freesciencefairproject.com/biology/temp_bacteria_growth.html
Some bacteria are pathogenic, it means that they cause disease. Some other bacteria that are not pathogenic can grow on food causing bad taste, bad odor or produce acids and make the foods sour.
http://www.freesciencefairproject.com/biology/uv_bacteria_growth.html
In order to study bacteria, we need to grow them. Bacteria need to feed on something that gives them energy and allows them to grow
http://www.freesciencefairproject.com/biology/nutrients_bacteria.html
In order to study bacteria, we need to grow them. Often we need to grow a certain type of bacteria that is aerobic.
http://www.freesciencefairproject.com/biology/growth_aerobic_bacteria.html
In order to study bacteria, we need to grow them. Often we need to grow a certain type of bacteria that is anaerobic.
http://www.freesciencefairproject.com/biology/growth_anerobic_bacteria.html
The Germinator. Not a movie by Arnold Schwarzenpumpernickel. It's a place for growing seeds.
http://pbskids.org/zoom/activities/sci/germinator.html
How much starch do common foods contain? How can we measure this?
http://www.iit.edu/~smile/pl9419.html
Recognize that breathing is a necessary, automatic life process
http://www.iit.edu/~smile/bi9708.html