How Big Is a Virus?

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.

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CCSS: Adaptable
Additional Tags
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
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Provides a link to other resources
  • Gives information about mask recommendations during the COVID-19 pandemic
Cons
  • None