This cross curricular activity includes science content from Year Four of the primary curriculum. It introduces programming and control, linked to the outside world through sensors - in this case, the computer's built-in microphone or a peripheral microphone. Programs are written using Scratch (online or offline)...

In this activity, students investigate the use of binary numbers to explain how devices can be turned on or off. After a short introduction to binary numbers, students work in teams of four to demonstrate the number sequence from 1 to 15.

Using the context of the Nintendo Wii, this starter activity develops an understanding of the terms system, input, process, output and signal, and asks students to identify these features in some common products which are shown in the presentation.