SBC Scratch Programming

22 terms by jono1oo1 

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SBC Scratch vocabulary

Sequence

The order of steps

Iteration (looping)

Forever and repeat can be used for iteration (repeating a series of instructions)

conditional statements

if and if-else check for a condition

variables

the variable blocks allow you to create variables and use them in a program. the bariables can store numbers or strings.

Lists (arrays)

the list blocks allow for storing and accessing a list of numbers and strings.

Event Handling

'When key pressed' and 'when sprite clicked' are examples of event handling - responding to events triggered by the user or another part of the program.

threads (parallel execution)

Launching two stacks at the same time creates two independent threads that execute in parallel.

Coordination and synchronization

'broadcast' and 'when I receive' can coordinate the actions of multiple sprites. Using 'broadcast and wait' allows synchronization

keyboard input

'ask and wait' prompts users to type. 'answer' stores the keyboard input.

random numbers

'pick random' selects random integers within a given range.

boolean logic

'and, or, not' are examples of boolean logic.

dynamic interaction

'mouse_x, mouse_y, loudness' can be used as dynamic input for real time interaction

user interface design

you can design interactive user interfaces in Scratch, for example, using clickable sprites to create buttons.

sprite

a user defined object (character)

costume

to change the look of a sprite you give the sprite a different . . ..

blocks

to tell a sprite what to do such as move, play music or react, you use these

scripts

a series of instructions run from top to bottom

blocks palette

area that contains the basic blocks for programming your sprites (left column)

scripts area

you drag blocks in, snap them together in a sequence (center column)

stage

where you see your stories, games, and animations come to life. (right column)

backgrounds

by changing this you can change the appearance of the stage

paint editor

to creat or edit costumes and backgrounds you use a

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