Sixth graders predict intertidal zones for organisms. In this intertidal zones lesson, 6th graders analyze an illustration of an organism and a class diagram of the intertidal zones. Students research to locate the zone the organism is...

Imagine an ecosystem without any light or oxygen, where living things convert carbon dioxide into food. This ecosystem is thriving and might just be the largest ecosystem on our planet, yet we know very little about it. The activity...