Scratch

What is Scratch?

• A programming language for robots

• A visual programming language for creating interactive projects

• A video game console

Answer explanation

Scratch is a block-based programming language that allows users to create interactive stories, games, and animations.

What are the building blocks in Scratch called?

• Blocks

• Bricks

• Scratchies

Answer explanation

In Scratch, the programming commands are represented as colorful blocks that can be stacked together to create scripts.

Which of the following is NOT a sprite in Scratch?

• A character in a game

• A background image

• A sound effect

Answer explanation

In Scratch, sprites refer to the interactive characters or objects that can move, respond to user input, and perform actions.

What is the purpose of the "forever" block in Scratch?

• It makes a sprite move continuously on the screen.

• It repeats a set of actions indefinitely.

• It changes the background color of the stage.

Answer explanation

The "forever" block in Scratch allows a set of actions to be repeated endlessly until the program stops or an exit condition is met.

How do you make a sprite react to a mouse click in Scratch?

• Drag and drop the "when green flag clicked" block.

• Drag and drop the "when mouse clicked" block.

• Drag and drop the "when sprite clicked" block.

Answer explanation

To make a sprite react to a mouse click, you need to use the "when sprite clicked" block and attach the desired actions.

What is the purpose of the "broadcast" block in Scratch?

• It sends a message to all sprites in the project.

• It plays a sound effect.

• It changes the background of the stage.

Answer explanation

The "broadcast" block in Scratch allows communication between different sprites by sending a message that can trigger specific actions in other sprites.

How do you create a variable in Scratch?

• By selecting it from the menu options.

• By dragging and dropping a "create variable" block.

• By typing the variable name directly in the code area.

Answer explanation

To create a variable in Scratch, you need to use the "create variable" block and provide a name for the variable.

What is the purpose of the "if-then" block in Scratch?

• It checks if a condition is true and executes a set of actions accordingly.

• It repeats a set of actions indefinitely.

• It waits for a certain amount of time before executing the next action.

Which category in Scratch is used for handling keyboard events?

• Looks

• Motion

• Events

Answer explanation

The Events category in Scratch provides blocks that can be used to handle keyboard events, such as when a specific key is pressed or released.

How do you make a sprite glide smoothly across the screen in Scratch?

• By using the "glide" block with specified coordinates

• By using the "move" block with the desired speed

• By using the "jump" block with random coordinates

Answer explanation

To make a sprite glide smoothly across the screen, you need to use the "glide" block and specify the desired coordinates that the sprite should glide towards.