Drawing using events

British English CC

Triggering changes to the Pen size

Adding features to a program

Computing

Moving a sprite

Program a sprite to move around a maze

Using the pen tool in a program

Debugging movement

Creating a maze project

In this unit, pupils explore the link between events and actions. Pupils begin by moving a sprite in four directions (up, down, left, and right) and then explore movement within the context of a maze. This unit also introduces programming extensions, through the use of Pen blocks.

Events and actions in programs

stops the sprite from drawing lines as it moves

makes the sprite start drawing lines as it moves

a key that doesn’t work on your keyboard

Which key should you assign to trigger an event?

Put these steps in order to draw a line in Scratch:

What is the purpose of the 'change pen colour' block?

Which block lets you adjust the thickness of a drawn line?

What is the name for a graphic object controlled in a program?

Which block in Scratch could you use to change the position of a sprite?

a precise set of ordered steps to do a task

to make it fit better with the background

Why might you adjust the size of a sprite?

What extension in Scratch allows drawing on the screen?

to create lines on the screen as the sprite moves

What is the purpose of the pen extension in Scratch?

Adding features to a program

Lesson outcome