To look for places to store foods safely. Return to Table of Contents Temperatures Germs are both good and bad. Some good germs live in the gastrointestinal tract of the body to help make vitamins. Good germs are also used to make some foods, such as pickles. Bad germs that make you sick are carried by dirt.
Some bad germs eat sugar and decay teeth.
Most germs need food, moisture, and warm temperatures to grow. Boiling temperatures kill most germs. Bacteria do not grow at cold temperatures, but they are not destroyed. Return to Table of Contents Germs and Dirt 3-5 years Name dirt and places where germs live and hide. Tell about germs.