6 lesson program for teaching grades 2-4 to program in Scratch

1. Scratch
Lesson 3
1

2. Starter
1. Load Scratch
2. Use the pen tool
and repeat loops
to draw a square
inside another
square
2

3. Objective of the lesson
Make 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

4. 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. 5

6. 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

7. 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. 8

9. 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

10. 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

11. 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

12. What skills have you practiced today?
New skills you have learnt today…
12
Revisit skills from another lesson…