Take a a look at examples of functions, and then explore functions representing arithmetic operations followed by boolean and string types. Throughout the workshop children do various assignments calculating function result or drawing a...

Students prepare for the associated activity in which they investigate acceleration by collecting acceleration vs. time data using the accelerometer of a sliding Android device. Based on the experimental set-up for the activity, students...

A set of eight activities that teach students basic computer science concepts using the programming language Scratch. Includes lots of additional supports for teachers. All materials are free and teachers sign in to create a class. This...

Learn how compressed formats such as zip, gzip, or gif images are all based on a method called Ziv-Lempel coding, which turns out to be an interesting exercise in finding patterns in text.

SPRK STEM challenges are fun, interactive activities that challenge students to use creativity and team-work to move through simple steps of the design process in order to build Sphero-based creations. The Hydro-hypothesis challenge...

A robot can execute very primitive commands, but it needs instructions to combine them. In this lesson, look at two types of instructions: commands and conditionals. Students split into pairs and one becomes a robot while the other one...

This activity explores how images are displayed, based on the pixel as a building block using data compression. The compression method used in this activity is based on the one used in fax machines, for black and white images.