2. This is what we’ll be learning…
1. What is Scratch
2. Triggers and Events
3. Controls
4. Motion and the Stage
5. Variables
6. Numerical Operators
7. Text Operators
Learning Objectives
3. This is what we’ll be learning…
1. What is Scratch
2. Triggers and Events
3. Controls
4. Motion and the Stage
5. Variables
6. Numerical Operators
7. Text Operators
Learning Objectives
5. A Scratch program:
contains sprites
that perform scripts
on a stage.
What is SCRATCH?
“actors”
6. The Project Editor
Blocks
(categorised and
colour coded)
that you
drag and drop.
The blocks
you’re using for the
highlighted Sprite. The actual
project.
Notice how the
blocks “snap”
together. The backdrop
you’re using.
The sprites
you’re using.
7. Sprites
You can upload a
new sprite from
a file on your
computer.
You can draw
your own
sprite.
You can choose
from a library
of sprites.
Sprites - the characters that move.
You can change
the size of the
sprite.
8. Sprites Sprites - the characters that move.
Mouse-over
to see
costumes
9. Sprite Costumes
Many sprites
have different
“costumes” or
poses.
These can be
used to create
“animation”
effects.
You can switch
between these
costumes.
10. Blocks
Blocks - the instructions that control the sprites.
There are different types of instructions, each colour coded.
Colour
coded
11. Stage Backdrops
You can upload a
new backdrop
from a file on
your computer.
You can draw
your own
backdrop.
You can choose
from a library
of backdrops.
Sprites move on a stage and this can have different Backdrops (scenery).
Backdrops are “static” - they do NOT move.
12. Stage Backdrops
Sprites move on a stage and this can have different Backdrops (scenery).
Backdrops are “static” - they do NOT move.
13. Stage Backdrops
You can switch
between
Backdrops.
Sprites move on a stage and this can have different Backdrops (scenery).
Backdrops are “static” - they do NOT move.
14. Sounds
Mouse-over
to hear the
sound
These are the
sounds a
Sprite is
using.
You can create a
new sound using
your microphone.
You can upload
a new sound
from a file on
your computer.
You can choose
from a library
of sounds.
You can play
the sound for
a sprite.
15. Try this… Now add some
instructions to
make the cat
change colour
after every step.
1
2
Now add some
instructions to
make the cat turn
round and walk
back to the start.
3
