Fourth graders prepare two spreadsheets each with an embedded line graph that displays data about the growth of the bitter rot fungus on apples and on petri dishes that were stored in the refrigerator and the classroom. They prepare a...

Students identify the parts of the egg and observe the composition of the egg parts.

Students study various samples of microorganisms in petri dishes. In this microorganism lesson plan, students place various samples of items in petri dishes and observe them after several days of incubation.