Testing and amending programs

British English CC

Moving a sprite

Computing

Program a sprite to move around a maze

Using the pen tool in a program

Adding features to 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

A mouse is one way of moving a sprite. What is another way?

Sprites will not move on their own just by pressing the keyboard or clicking the mouse. Sprites need {{ }} to react to.

an input which triggers a block of commands to be run

Press the down arrow and select from the menu.

How do you change the key that is the trigger for this event?

This code will make the sprite point down, then move 10 steps.

This code will make the sprite point up, then move 10 steps.

This code will make the sprite point left, then move 10 steps.

This code will make the sprite point right,  then move 10 steps.

The costume of a sprite changes what it {{ }} like.

What category does this code block belong to?

Which category does this block belong to?

What type of programming language is used in Scratch?

What is the part of the screen called where where sprites will perform their actions?

You want a sprite to move 10 steps, play a sound and then turn clockwise 15 degrees when the green flag is clicked. Which code block would come at the end of the sequence?

Moving a sprite

Lesson outcome