In this predation or starvation worksheet, students read about the effects of the wildlife service bringing in predators (wolves) to control a deer population. Students calculate the change in the deer population from 1971 to 1980. They...

Students identify the reasons for the mass starvation in Ireland in the 1800's. They analyze the historical and political forces that caused the famine and discuss the potato blight itself in detail.

Students study Norman Borlaug. For this reading and math lesson, students research Norman Borlaug's work and write a narrative interview with Borlaug. Students complete a variety of activities using wheat stalks.

Seventh graders identify how to use sterile techniques when identifying plant pathogens.  In this plant diseases lesson students complete a lab activity in which they see how plant diseases are identified and classified.

Seventh graders examine the concept of sterile techniques. They realize that plant diseases can be identified and classified in various way. Students identify some of the diseases that attack the garden plants.