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.
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
Crystallization
Eighth graders analyze physical change in mass. In this chemistry activity, 8th graders describe, measure and calculate the amount of physical change occurring in mass before and after the change. Students should be familiar with...
Nuffield Foundation
Nitrogen-Fixing Bacteria in Root Nodules of Leguminous Plants
Fixin' to add a great resource to your plans? Scholars perform an experiment to investigate nitrogen-fixing bacteria from plant roots. Along the way, they learn about the concepts of symbiosis and mutualism.
Curated OER
DNA Extraction
Students extract and observe a visible amount of DNA from Escherichia. coli cells. They discuss the properties of DNA. Confirmation of the presence of DNA by a reaction with an indicator is confirmed within this activity. Many hands-on...
Curated OER
DNA Extraction
Students are able to extract and observe a visible amount of DNA from Escherichia coli cells. They discuss the properties of DNA. Students confirm the presence of DNA by a reaction with an indicator.
Curated OER
Barn Owl Pellet Lab
In this lab worksheet, high schoolers dissect a barn owl pellet then identify the different small animals found in the owl pellet. Using class data they calculate percentage present as well as complete 8 post lab questions.
Curated OER
What's That Brown Fuzzy Stuff On My Plum?
Students examine Koch's Postulates by actually using them. They perform each of the required four steps to show that the brown fuzzy fungus they see growing on stone fruit (plums, peaches, nectarines, cherries) is what causes them to rot.