Sensing

Image of Scratch block 'touching [mouse-pointer]' 
touching [mouse-pointer]
Image of Scratch block 'touching color ()' 
touching color ()
Image of Scratch block 'color () is touching ()' 
color () is touching ()
Image of Scratch block 'distance to [mouse-pointer]' 
distance to [mouse-pointer]
Image of Scratch block 'ask (What's your name?) and wait' 
ask (What's your name?) and wait
Image of Scratch block 'answer' 
answer
Image of Scratch block 'key [space] pressed' 
key [space] pressed
Image of Scratch block 'mouse down' 
mouse down
Image of Scratch block 'mouse x' 
mouse x
Image of Scratch block 'mouse y' 
mouse y
Image of Scratch block 'set drag mode [draggable]' 
set drag mode [draggable]
Image of Scratch block 'loudness' 
loudness
Image of Scratch block 'timer' 
timer
Image of Scratch block 'reset timer' 
reset timer
Image of Scratch block '[backdrop #] of [stage]' 
[backdrop #] of [stage]
Image of Scratch block 'current [year]' 
current [year]
Image of Scratch block 'days since 2000' 
days since 2000
Image of Scratch block 'username' 
username