Listing all results (5)

Seeing Temperatures

This activity allows students to investigate how images are produced from data streams by using first a spreadsheet and then an image-processing program. They then go on to see how the usefulness of such a monochromatic image may be enhanced by using lookup tables and calibration. The materials used focus on the...

Modems unplugged - sound representation

All data on computers is stored and transmitted using the binary number system. When the binary digits need to be sent over the phone lines (which often happens in home internet connections), the digits are converted to sound and decoded at the other end using a modem. This activity uses audio coding similar...

Crazy Character Algorithms Activity: an Introduction to Sequences of Instructions

Children in lower primary settings can create their first algorithm using this Barefoot Computing unplugged computing activity. A picture of a 'crazy character' is decomposed into simple shapes. The instructions for drawing it are shared with the class who follow and attempt to reconstruct the picture. This...

Introduction to sound and music computing

A highly technical overview of how sound is represented in a computer, how digitising sound changes the quality of it and how reducing the sample rates can effect the resulting audio. The resource also comes with a number of sound samples to illustrate these concepts, along with both Python and Scratch programs to...

The Lady or The Tiger

The story, lesson plan, content guide and other "The Lady or the Tiger?" printable PDFs listed at the right compose the climactic learning experience in an early module of three lessons which introduce the concept of binary.

In the first lesson, the class shares a community reading of an adaptation of Frank...

View all publishers