Multiple Choice Questions on 'When Green Flag Clicked' and Event Handling

📚 Quick Study Guide

• 🟢 When Green Flag Clicked: This event starts the script when the green flag is pressed. It's often the starting point for many Scratch projects.
• 🖱️ Event Handling: This refers to how a program responds to different events like mouse clicks, key presses, or messages.
• 📢 Broadcast: Events can also be triggered by broadcasting messages between sprites. Think of it like sending a signal to other parts of your project.
• ✋ Stop Sign: The stop sign halts all running scripts. Understanding how to use it helps control your program flow.
• 💡 Event Blocks: Blocks like 'when sprite clicked', 'when key pressed', and 'when I receive [message]' are crucial for event handling.
• ⏱️ Timing: Understanding the order in which events are processed is key to debugging and creating smooth interactions.

Practice Quiz

1. What does the 'When Green Flag Clicked' block do in Scratch?
   1. A. Stops all scripts.
   2. B. Starts the script when the green flag is pressed.
   3. C. Changes the background color.
   4. D. Hides the sprite.
2. Which of the following is an example of an event in Scratch?
   1. A. Setting a variable.
   2. B. Moving a sprite.
   3. C. Pressing a key.
   4. D. Drawing a shape.
3. What block would you use to make a sprite react when it is clicked?
   1. A. 'When this sprite touches [sprite2]'
   2. B. 'When backdrop switches to [backdrop]'
   3. C. 'When loudness > [10]'
   4. D. 'When this sprite clicked'
4. What does the 'broadcast' block do?
   1. A. Changes the sprite's costume.
   2. B. Sends a message to other sprites.
   3. C. Moves the sprite to a random position.
   4. D. Plays a sound.
5. If you want a script to run when the space key is pressed, which block would you use?
   1. A. 'When Green Flag Clicked'
   2. B. 'When this sprite clicked'
   3. C. 'When space key pressed'
   4. D. 'When I receive [message]'
6. What happens when you click the stop sign in Scratch?
   1. A. The project restarts.
   2. B. All running scripts stop.
   3. C. The stage changes to full screen.
   4. D. The current sprite is deleted.
7. Which of the following blocks is NOT an event block?
   1. A. 'When Green Flag Clicked'
   2. B. 'When key pressed'
   3. C. 'When I receive [message]'
   4. D. 'Say [hello] for [2] seconds'