A nanometer is the approximate distance your fingernail grows in one second. Hard to visualize, isn't it? The third of a five-part lesson on scale seeks to help learners understand the size of the nanoscale of measurement. Using examples and demonstrations, the lesson compares the measurements to concrete ideas.

Concepts

nanoparticles, nanotechnology, nanometers

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Additional Tags

science

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Instructional Ideas

• Have pupils convert the measurement of an object to nanometers
• Hold a discussion about the reason scientists need the nanoscale of measurement

Classroom Considerations

• Allow time to collect and prepare materials in advance

Pros

• Provides links to resources for additional research
• Includes a detailed teaching guide to help plan for instruction

Cons

• None