Scratch Programming - Intro, Events, and Motion

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if on edge, bounce

If touching the edge of the stage, then bounce away

Scratch

a programming language where you drag script blocks together to create a series of commands

forever

activates the script within it for an endless amount of time

script block

an individual command

project

any file in Scratch

Switch Backdrop to

change the background of the stage

move _ steps

changes the location of the sprite by the amount of units specified

change x by _

changes the sprite's location along the x-axis by specified number of steps

change y by _

changes the sprite's location along the y-axis by specified number of steps

go to x:_ y:_

changes the sprite's location to the specified coordinate

sprite

character or object

debugging

fixing flaws in programs

set rotation style

left-right: the sprite will only face left or right and will never turn upside down don't rotate: the sprite will never turn all around: the sprite will turn in all directions and will even go upside down

costume

look of a sprite

backdrop

look of the background of the stage

glide _ secs to x:_ y:_

makes the sprite move with animation to the designated location in the specified amount of time

toolbar

the area of the Scratch window where you can perform basic functions, such as saving your work

sprites pane

the area of the screen that displays all objects created

stage

the background; where the action takes place

when loudness > _

trigger causing script to be activated when mic detects sound greater than specified volume

when _ key pressed

trigger causing script to be activated when the designated key is pressed

when flag clicked

trigger causing script to be activated when the green flag is clicked

When sprite clicked

trigger causing script to be activated when the sprite is clicked

when backdrop switches to _

trigger causing script to be activated when the stage switches to a specific backdrop

rotate _ degrees

turns the sprite a certain amount of units

point in direction _

turns the sprite to a specified position (up, down, left, right)

point towards _

turns the sprite towards another object or towards the mouse pointer


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