Scratch Coding with Teachable Machine

Learn how to train an AI model and use it with Scratch!

California K-12 CS Standards

AI4K12 Big Ideas in AI

Links to the online tools you need for this activity

Teachable MachineTrain a computer to recognize your own images, sounds, & poses. A fast, easy way to create machine learning models for your sites, apps, and more – no expertise or coding required.

Scratch Code with Teachable Machine Example (Download the file from Google Drive)

Scratch with Teachable Machine extension

You need to add the Teachable Machine extension to use the Teachable Machine blocks.

Activities

Work in pairs/groups!
Create a Scratch program (with Teachable Machine extension) that has different parts that will be triggered by what AI model detects (what you show to your machine/computer).
Train an AI model with Teachable Machine.
Add the trained model to your Scratch project. Use the objects that you used to train the model to test the code.
Download the code to share with your classmate! See what happens when you try your classmates' code!

Can the model identify different objects correctly? If not, why? Can you guess what is going on?
What happens when there is no object shown? If not, why? Can you guess what is going on?
What do you think a machine uses to identify an object?
What else did you notice?

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