Learning to Use Microscopes

In this lesson, students will be introduced to the concept of osmosis, then investigate how solutions of various salt concentrations influence the size of plant cells.

Students will learn the parts of the microscope, how to calculate the magnification, how to focus the microscope, as well as draw what they see in the field of view. Students will also write their

This is Task 3 (Lesson 3) of four tasks (lessons) of an overall project entitled “Escaping 7th Grade Science Room”. Students will construct a 3D model of both an animal cell and human cell. They will