Whereas Earth has only one satellite (aka. the Moon), Mars has two small moons: Phobos and Deimos. And whereas the vast majority of moons in our Solar System are large enough to become round spheres similar to our own Moon, Phobos and Deimos are asteroid-sized and misshapen in appearance.
Microorganisms, like certain bacteria and yeasts, living on the human skin or in the nose, mouth, throat, small and large intestine and vagina, are part of the normal human flora; they prevent overgrowth of harmful microorganisms. Some of these microbes, when overgrow, may become pathogenic, though.
Harmful Microbes. Students are introduced to the variety of health issues caused by harmful microbes. As a class, students are encouraged to discuss how bad microbes can be harmful and what we can do to prevent becoming ill. This lesson also highlights that not all illnesses are caused by microbes.The Bad Bug Challenge word searches and crossword help to reinforce words associated with bad microbes and illness.armful Microbes. Students are introduced to the variety of health issues caused by harmful microbes. As a class, students are encouraged to discuss how bad microbes can be harmful and what we can do to prevent becoming ill. This lesson also highlights that not all illnesses are caused by microbes.