Get a magnified look at cells. Learners see the relative size of cells by virtually viewing a display at the Exploratorium. When the width of a hair is scaled to be almost a foot, a virus is no bigger than a poppy seed. Scholars hear an explanation of why and how masks and social distancing help protect against such a tiny virus.

Concepts

viruses, cells, size, covid-19, bacteria, nanometers

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Additional Tags

science

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Instructional Ideas

• Create or calculate the size of other things using the same scale
• Lead a discussion of current recommendations for staying safe

Classroom Considerations

• Assumes knowledge of cell sizes

Pros

• Provides a link to other resources
• Gives information about mask recommendations during the COVID-19 pandemic

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 SL.9-10.2 SL.11-12.2