Scratch

Lesson 3

1

Starter

1. Load Scratch

2. Use the pen tool and repeat loops to draw a square inside another square

2

Objective of the lessonMake a character dance

• All of you will:

– Change the background and add a sprite with multiple costumes

• Most of you will:

– Add script which will alter the costume which is displayed and use the wait command

• Some of you will:

– Move the sprite using the keyboard

3

How much do you remember?1. What is the difference

between the forever loop and the repeat loop?

2. How can you change the colour and thickness of your pen?

3. How can you make a sprite face towards your mouse pointer?

4

5

How much do you remember?

1. How can you change the background?

2. How can you delete a sprite?

3. How can you import a new sprite from file?

4. How can you import a new costume to that sprite?

5. What is a costume?

6

Over to you…• Start a new project; you do not need to save

the last one.

• Change the background to one of your choice.

• Delete the cat sprite.

• Import a person of your choice but make sure they have at least three different possible poses.

• Import a second costume for that person (we will use the third one later).

7

8

How much do you remember?

1. How did the program start?

2. Why was a forever loop used?

3. How did you specify which costume to show?

4. What does the wait script do?

5. How could you specify how long the script should wait?

9

Over to you…• Add the script to

make your character look like it is dancing.

• Try to work out how you can add a third costume to your sprite which shows when the space bar is pressed.

10

Moving the sprite• Add this script to your sprite.

• At the top of the screen use the “Don’t rotate” option to stop your person rotating.

• Work out how you can make your dancer move about the screen using the other arrow keys.

11

What skills have you practiced today?

New skills you have learnt today…

12

Revisit skills from another lesson…