Revision Scratch

Revision Scratch

Scratch

• Scratch uses pieces of code known as a “script”  to affect a character

• The characters are known as a "sprite"

Multiple Choice

What is a character in Scratch called?

• Bat

• Cat

• Sprite

• Crab

Multiple Choice

What is the default Sprite when you open Scratch?

• Cat

• Dog

• Bat

• Crab

Multiple Choice

Which group of blocks include the When Flag Clicked command?

• Motion

• Looks

• Sound

• Events

Sequence

• Sequence is doing tasks in order one after the another

Selection

• Selection is adding different options in to the code, adding a decision

• When something happens do this, otherwise do something else

• An IF and ELSE

Looping (iteration)

• Scratch uses 2 ways to make something loop

• REPEAT - to make it loop a certain number of times

Looping (iteration)

• Scratch uses 2 ways to make something loop

• FOREVER - to make it loop continually

Multiple Choice

What does this block do?

• Repeat the code forever

• Repeat the code 2 times

• Repeat the code until touching the sprite

Multiple Choice

What is a loop?

• Starting the program
• Ending the program
• Allows something to be repeated
• Programs running

Multiple Choice

What programming concept means following steps in order?

• Iteration

• Sequence

• Selection

Multiple Choice

Which of the words below describe selection?

• Order

• Steps

• Loop

• Decision

Multiple Choice

what are the two axis in scratch

• x and y

• n and t

• j and w

• k and l

Multiple Choice

Where would the sprite be located if the co-ordinates were 0,0?

• Top left corner

• In the centre

• Top right corner

• Bottom left corner

Multiple Choice

Where would the sprite be located if the co-ordinates were -240,-180?

• Centre

• Top right corner

• Bottom right corner

• Bottom left corner

Variables

• A “variable” is a changeable value

• These can be used for: counting, scores, time limits

• In order to use a variable you first need to create it and name it

Broadcasts

• A broadcast message is a message that is sent out to all objects in the project

• This message can notify them that something has happened and they need to act

Costumes & Backdrops

• Sprites can have different “costumes” -- different visuals, just like how an actor in a play can wear different outfits

• We can also change the backdrop to create a new scene

Multiple Choice

Variables are used to hold data that cannot change.

• True

• False

Multiple Choice

A costume is 

• A code block
• A motion 
• A different way a sprite looks
• A sound 

Multiple Choice

To send a message to all the sprites present on the stage we use which block?

• Broadcast

• Send all

• SMS

• Say

Multiple Choice

WHAT IS THE OUTPUT OF THE PROGRAM?

Multiple Choice

What is the output of the program?

Poll

How confident do you feel using Scratch?

• Super confident, I know loads of stuff

• Pretty good I can do lots of things on my own

• I'm ok, but sometimes need a bit of help

• No idea what I'm doing