Second graders measure red worms. In this instructional activity, 2nd graders observe and collect data on red worms. Students measure the red worms and create a graph with the data they collect.

Fourth graders experiment to see which objects decompose. In this compost lesson, 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. Students...

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...