Nebraska Department of Education
Laws that Isolated and Impoverished the Irish
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.
Curated OER
Using Sterile Techniques as a Tool in Studying Plant Diseases
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.
Curated OER
Plant Disease Identification and Classification by Using Sterile Techniques
Seventh graders identify how to use sterile techniques when identifying plant pathogens. For this plant diseases lesson students complete a lab activity in which they see how plant diseases are identified and classified.