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Example 9: When the green flag is clicked, the sprite turns 15 degrees clockwise continuously in
the forever block, creating a constant spinning effect.
Sensing Blocks
These blocks in Scratch are used to detect various conditions and interactions within the project,
such as touch, mouse position, and distance. There are 18 Sensing blocks in Scratch 3.0.
Block Explanation
Checks if the sprite is touching the specified object. The
two options are available “mouse-pointer” or “edge”.
Checks if the sprite is touching a specified colour.
Checks if a specified colour on the sprite is touching another
specified colour.
Reports the distance from the sprite to the specified object.
Asks a question and waits for the user’s input.
Reports the answer given by the user.
Checks if the specified key is pressed.
Checks if the mouse button is pressed.
Reports the x position of the mouse pointer.
Learning Scratch 71

