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Summary

This animation illustrates the negative powers of ten. Starting with one meter, we delve successively  into matter until we reach  objects in the range of a nanometer.
A correspondence between exponential notation and units of measurement (millimeter, micrometer, nanometer, angstrom) is demonstrated.

Click on the central frame or on the scale at top to progress through the zooming process.

Learning goals

  • To illustrate the structure of living cells and orders of magnitude.
  • To introduce the problem of units and orders of magnitude.
  • To define the powers of ten (in this case, the negative ones)
  • To define the terms decimeter, millimeter, micron or micrometer, nanometer and angstrom.

Keywords

Learn more

Most of us have problems  dealing with very large or very small numbers.
Historically, this difficulty originated at the time and place of the French Revolution, in 1789.  In effect, common sense…

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