Curated OER
Let's Build a Worm Bin
Students explore the process of decomposition. In this ecology and measurement lesson, students prepare a worm home to be used for vermicomposting. Students weigh a group of worms and the added food, recording this information on a data...
Curated OER
Compost in a Bag!
Fourth graders experiment to see which objects decompose. In this compost lesson plan, 4th graders observe the changes of labeled objects in a bag. Leave the objects for one month and record the changes by observation and weight....