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Line of Resistance

This presentation will help you teach your students to measure resistance!

Topics Covered: Electrical resistivity of graphite and wire; resistance of serial and parallel circuits; and open and short circuits.

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How to See Small Things Part I: Optical Transform Kit

Explore the arrangements of atoms that make up the world around us in this classroom presentation guide!

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How to See Small Things Part II: DNA Optical Transform Kit

Explore the X-Ray diffraction experiments used by Rosalind Franklin to discover the DNA Double Helix.

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Exploring the Nanoworld

Explore the wonders of the Nanoworld and their role in new technologies!

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