Curated OER
Classroom Composting
Students observe and describe the cyclic nature of life. They identify and appreciate the importance of a balanced ecosystem. Finally, students compare and contrast biodegradable and non-biodegradable resources in nature and describe the...
Curated OER
This Stuff Makes Me Sick
Students participate in a lab showing the effects of pesticides on Lumbriculus variegatus. Several extensions and variations are also included in this lesson including one which relates the experiment to how pesticides enter our drinking...