A Handful of Resources for Computer Science Education Week

Blackbird is a platform that launched in early 2021 to help teachers teach programming to middle school and high school students. Blackbird positions itself as a platform that fills the gap between using a blocks-based service like Scratch and writing code in an IDE. Blackbird doesn’t use blocks or even offer any blocks. Instead, Blackbird provides a series of interactive lessons in which students write JavaScript. Blackbird lessons are arranged in progressive units. From the first lesson students are building a game they can customize to their heart’s content. When they’ve finished all of the lessons students can move onto a “workshop” where they can work on independent projects that you can observe from your teacher dashboard in Blackbird. You can see a full overview of Blackbird and read my students’ impressions of it right here. 

Daisy the Dinosaur is a free iPad app designed to introduce young students to some programming basics. The app asks students to create commands for Daisy the Dinosaur to carry out. There is a free play mode in which students can make Daisy do whatever they want. But to get started you might want to have students work through the beginner challenges mode. Daisy the Dinosaur asks students to enter commands in the correct sequence in order to make Daisy complete tasks correctly. Daisy the Dinosaur could be used with students as young as Kindergarten age.

Scratch like the MIT App Inventor has been around for over a decade and is still the first thing that many people mention when talking about introducing students to programming concepts. Scratch allows students to program animations, games, and videos through a visual interface. Students create their programs by dragging together blocks that represent movements and functions on their screens. The blocks snap together to help students see how the “if, then” logic of programming works. Watch the video here to learn more about Scratch. And check out the ScratchEd team’s curriculum for teaching with Scratch (link opens a PDF). 

Scratch Jr. is based on the aforementioned online Scratch program. Scratch Jr for iPad and for Android  uses the same drag and drop programming principles used in Scratch. On Scratch Jr students can program multimedia stories and games. To program a story or game on Scratch Jr. students select background settings for each frame of the story. Then in each frame students select the actions that they want their characters to take. Students snap programming pieces together to make characters move and talk in their stories and games.

Snap! is a drag-and-drop programming interface designed to help students learn to program. Snap! uses a visual interface that works in your browser on your laptop as well as on your iPad. To design a program in Snap! drag commands into a sequence in the scripts panel. The commands are represented by labeled jigsaw puzzle pieces that snap together to create a program. You can try to run your program at any time to see how it will be executed. After previewing your program you can go back and add or delete pieces as you see fit.

Grasshopper
Grasshopper teaches JavaScript coding through a series of easy-to-follow tutorials. It is available to use in your web browser or as an Android app. It starts off with an introduction to the basic vocabulary of coding before moving into the coding lessons. You have to pass the vocabulary quiz before your can jump into the lessons. Each lesson has a tutorial, a practice activity, and a quiz. You have to successfully complete each lesson before progressing to the next one. If you need to stop a lesson, Grasshopper saves your place until you can resume. Grasshopper offers an optional reminder service that will encourage you to practice on a daily schedule.

CodePen is a code editing environment in which students can see how HTML, CSS, and JavaScript work together to form web applications. As you can see in the screenshot that I’ve included below, the screen is divided into four parts. There’s a column for HTML, a column for CSS, and a column for JavaScript.

The best aspect of CodePen is that it is a real-time editor. That means you can change any aspect of the HTML, CSS, or JS and immediately see the effects of those changes in the preview panel. This is a great way to see what happens when a variable is changed in an application. If the change didn’t work as anticipated, a quick “CTRL+Z” on your keyboard reverts it back to the previous state. The same is true when you edit an aspect of the HTML or CSS.  

CodePen does have a gallery of publicly shared projects that you can copy and modify. Those public projects make it easy for students to get started using CodePen as I demonstrate in this short tutorial video.