In this microscope worksheet, learners use an on line site to answer questions about the history of the microscope, they view objects and identify what each is, they explore different magnifications of the microscope and they answer...

"Use this animation to compare the relative sizes of cells and organisms sitting on a pinhead. See the size of these nearly invisible without magnification" View dust mites dwarf pollen grains and human cells. In turn, bacteria and...

In this activity, students use a virtual biology lab to perform investigations and learn lab procedures using compound and dissecting microscopes to look at a variety of animal and plant cells.