Content Objective
Students will demonstrate application of how to use microscopes including preparing slides by using the microscopes to observe cells in lettuce.

S.IP.07.13 Use tools and equipment (microscopes) appropriate to scientific investigations.
L.OL.07.21 Recognize that all organisms are composed of cells (single cell organisms, multi-cellular organisms)

Language Objective
Students will write to describe observations about their experiences while using the microscopes by completing the following sentence frames.

“While observing onion cells through a microscope I observed the cells were _____________ shaped.  I noticed that there were not any _____ because

the bulb of the onion grows ________________.”

“While observing lettuce cells through a microscope I observed the cells were _________________ shaped.  I was able to see ______________cells and                 _______________cells.”

HOMEWORK – None