Page 274 - Learn To Program With Scratch

blocks (continued) New costume from camera, 9
Looks. See Looks blocks New sprite from camera, 5
monitors. See monitors Paint new costume, 9
Motion. See Motion blocks Paint new sprite, 5, 16
Operators. See Operator blocks Presentation mode, 4, 12
overview, 20 Record new sound, 10
Pen. See Pen blocks Remix, 249
reporter, 20 See inside, 247
Sensing. See Sensing blocks See project page, 249
shape, meaning, 20, 92–93 Share, 250
Sound. See Sound blocks Shrink, 12
stack, 20 stop icon, 4, 17
trigger, 20, 32 Upload costume from file, 9
types of, 20 Upload sound from file, 10
Blocks tab, 6–7 Upload sprite from file, 5, 59
Boole, George, 125
Boolean C
algebra, 125
condition, 125 CatchApples_NoCode.sb2, 39
data type, 92 Catching Apples game, 39–42
expressions, 125, 157 ChangingHat.sb2, 64
function blocks, 20, 93 Chase application, 158
parameters, 81, 93 Chase.sb2, 158
value, 125 Check a Password application, 164–165
bottom-up process, 84 Checkers.sb2, 82
branches (paths), 131 ClickOnFace.sb2, 49
brightness effect, 51 CloneIDs.sb2, 105
broadcasting messages, 68–70 ClonesAndGlobalVars.sb2, 106
to coordinate multiple sprites, commands. See also blocks
70–71 list, 216
to implement procedures, 73–75 accessing elements, 218
bpm (beats per minute), 55–56 adding and deleting, 216–217
bubble sort algorithm, 229–231 contains block, 218–219
BubbleSort.sb2, 229 hiding or showing monitor, 215
building your own block, 75–81 inserting and replacing, 217
buttons, in interface motion, 25
Add boolean input, 78 pen, 31–32
Add label text, 78 variable, 98
Add number input, 78 changing stored value, 102
Add string input, 78 hiding or showing monitor,
Block help, 7 106–107
Choose backdrop from library, 11 Compare Fractions applicaton, 211
Choose costume from library, 9, 31 CompareFractions.sb2, 211
Choose sound from library, 10, 19 comparing
Choose sprite from library, 5, 16 decimal numbers, 139
Delete, 12 letters, 126
Duplicate, 12 strings, 126, 187
Go to Scratch website, 12 composing music, 55
green flag icon, 4, 17 concatenating strings, 118
Grow, 12 conditional, 127
Language, 12 blocks, 128, 130
Options, 78 infinite loops, 158

252 Index

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