Video
Summary: This video module
presents an introduction to cryptography
– the method of sending messages
in such a way that only the intended
recipients can understand them. In this
very interactive lesson, students will
build three different devices for cryptography
and will learn how to encrypt and decrytp
messages. There are no prerequisites
for this lesson, and it has intentionally
been designed in a way that can be adapted
to many audiences. It is fully appropriate
in a high school level math or computer
science class where the teacher can
use it to motivate probability/statistics
or programming exercises. The video
module itself should take one class
session, although the building of the
cryptography devices may take longer
and could be done ahead of time. Materials
necessary for this lesson include paper
cups, scissors, tape or glue and pens
or pencils. Additional materials are
downloadable from this website. During
the in-class portion of this interactive
lesson, students will learn to build
the cryptography devices and will learn
how to send and “crack”
secret messages.
Read
Teacher's
Guide to this video
lesson (download in PDF
format)
Read Supplemental
Teacher Guide to
this video lesson (download
in PowerPoint
or PDF
format)
Download Written
Transcript of this
video lesson (download in Word
or PDF
format)
Download Cryptography
Alphabet Strips
for use in this lesson (download
in Excel
or PDF
format)
Download Encryption/Decryption
Handout for use
in this lesson (download in
Word
or PDF
format)
Additional
Online Resources:
|
Daniel
J. Sturtevant
