Understanding Scratch Broadcasts and Messages

What is the primary function of the "broadcast" block in Scratch?

• To create a new sprite

• To send a message to other scripts

• To change the background color

• To play a sound

How can you use the "broadcast" block to coordinate actions between two sprites in Scratch?

• By changing the sprite's costume

• By sending a message that both sprites respond to

• By using the "wait" block

• By duplicating the sprite

In Scratch, what happens when a "broadcast" block is executed?

• The program stops running

• A message is sent to all scripts that have a matching "when I receive" block

• The sprite changes its position

• A sound is played

Consider a scenario where you want a sprite to move when a specific message is received. How would you set up the blocks to achieve this?

• Use a "when green flag clicked" block followed by a "move 10 steps" block

• Use a "when I receive [message]" block followed by a "move 10 steps" block

• Use a "forever" block followed by a "move 10 steps" block

• Use a "repeat until" block followed by a "move 10 steps" block

What is the purpose of using the "when I receive [message]" block in Scratch?

• To start a script when a specific message is broadcasted

• To change the sprite's costume

• To play a sound

• To stop all scripts