The student will estimate the width of an object viewed under a microscope
by comparing the object to a field of view of known size.
Align the objects with the edge of the field of view. This makes estimation easier.
Include a cross line reticle.
Rotate the reticle to align with the object.
Tell the student the size of the object relative to the field of view.
Do not tell the student the size of the object relative to the field of view.
Include Answer Key