Students investigate crickets in their habitat. In this insect lesson, students create a cricket habitat by using a glass jar with grass clippings and cloth. Students observe how crickets interact with each other and their eating habits.

Students examine the role earthworms play in building soils. They discuss worms and what they do with soil, make predictions and draw pictures, and observe their worms in soil over a two week period.

Students produce copperas from iron pyrite nodules. In this chemistry lesson, students determine the different applications of copperas.