Compare sizes of microscopic items. Given a set of labels of microscopic objects, pupils try to place them in order from smallest to largest. Scholars then compare their lists to the actual comparisons along with the measurements of the microscopic items.

Concepts

comparing size, relative size, size, cell biology, viruses, covid-19, microorganisms, cells

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Additional Tags

science

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Instructional Ideas

• Create scale drawings of items that are measured with the same units
• Use a microscope to view a cell or bacteria to get a sense of other sizes

Classroom Considerations

• It is beneficial if the class understands how the metric system is based on powers of 10

Pros

• Provides a conversion table to demonstrate the size of a nanometer
• Includes suggestions for extensions

Cons

• None