After the is this thing on? block, add a next costume block.
Add wait 1 secs.
Add next costume.
Add a say block with an empty message.
Double-click on the script to run the code.
What just happened?
It was a tough crowd, and the joke fell flat, causing the horse to nervously rear up on its hind legs. While on its hind legs, the horse spoke, Is this thing on?. In our revised script, the speech bubble cleared and created a fluid scene.
Sound
Speech bubbles enable us to convey conversation, even if our conversation is one-sided, but a microphone almost demands sound. In Scratch, we can record or import a sound and then use the Sound palette to replay that sound in our project.