In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names). Learners have fun discovering that there are two species of isopods—pill bugs and sow bugs—with different body structures and self-defense behaviors. One way they learn is by racing the bugs on a circular track drawn with chalk on asphalt or pavement. Extensions include racing the bugs on other surfaces such as gravel or grass and keeping them in a see-through container for a week to observe their feeding behavior. At the end of the races, or the observation week, isopods should be returned to a natural environment.


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